Source : Webster's Revised Unabridged Dictionary (1913)

Bank \Bank\, n.
   A group or series of objects arranged near together; as, a
   bank of electric lamps, etc.

Bank \Bank\, n. (A["e]ronautics)
   The lateral inclination of an a["e]roplane as it rounds a
   curve; as, a bank of 45[deg] is easy; a bank of 90[deg] is
   dangerous.

Bank \Bank\, v. i. (A["e]ronautics)
   To tilt sidewise in rounding a curve; -- said of a flying
   machine, an a["e]rocurve, or the like.

Bank \Bank\ (b[a^][ng]k), n. [OE. banke; akin to E. bench, and
   prob. of Scand. origin.; cf. Icel. bakki. See {Bench}.]
   1. A mound, pile, or ridge of earth, raised above the
      surrounding level; hence, anything shaped like a mound or
      ridge of earth; as, a bank of clouds; a bank of snow.

            They cast up a bank against the city. --2 Sam. xx.
                                                  15.

   2. A steep acclivity, as the slope of a hill, or the side of
      a ravine.

   3. The margin of a watercourse; the rising ground bordering a
      lake, river, or sea, or forming the edge of a cutting, or
      other hollow.

            Tiber trembled underneath her banks.  --Shak.

   4. An elevation, or rising ground, under the sea; a shoal,
      shelf, or shallow; as, the banks of Newfoundland.

   5. (Mining)
      (a) The face of the coal at which miners are working.
      (b) A deposit of ore or coal, worked by excavations above
          water level.
      (c) The ground at the top of a shaft; as, ores are brought
          to bank.

   {Bank beaver} (Zo["o]l.), the otter. [Local, U.S.]

   {Bank swallow}, a small American and European swallow
      ({Clivicola riparia}) that nests in a hole which it
      excavates in a bank.

Banc \Banc\, Bancus \Ban"cus\, Bank \Bank\, n. [OF. banc, LL.
   bancus. See {Bank}, n.]
   A bench; a high seat, or seat of distinction or judgment; a
   tribunal or court.

   {In banc}, {In banco} (the ablative of bancus), {In bank}, in
      full court, or with full judicial authority; as, sittings
      in banc (distinguished from sittings at {nisi prius}).

Bank \Bank\, v. i.
   1. To keep a bank; to carry on the business of a banker.

Bank \Bank\, n. [F. banque, It. banca, orig. bench, table,
   counter, of German origin, and akin to E. bench; cf. G. bank
   bench, OHG. banch. See {Bench}, and cf. {Banco}, {Beach}.]
   1. An establishment for the custody, loan, exchange, or
      issue, of money, and for facilitating the transmission of
      funds by drafts or bills of exchange; an institution
      incorporated for performing one or more of such functions,
      or the stockholders (or their representatives, the
      directors), acting in their corporate capacity.

   2. The building or office used for banking purposes.

   3. A fund from deposits or contributions, to be used in
      transacting business; a joint stock or capital. [Obs.]

            Let it be no bank or common stock, but every man be
            master of his own money.              --Bacon.

   4. (Gaming) The sum of money or the checks which the dealer
      or banker has as a fund, from which to draw his stakes and
      pay his losses.

   5. In certain games, as dominos, a fund of pieces from which
      the players are allowed to draw.

   {Bank credit}, a credit by which a person who has given the
      required security to a bank has liberty to draw to a
      certain extent agreed upon.

   {Bank of deposit}, a bank which receives money for safe
      keeping.

   {Bank of issue}, a bank which issues its own notes payable to
      bearer.

Bank \Bank\, v. t. [imp. & p. p. {Banked}(b[a^][ng]kt); p. pr. &
   vb. n. {Banking}.]
   1. To raise a mound or dike about; to inclose, defend, or
      fortify with a bank; to embank. ``Banked well with
      earth.'' --Holland.

   2. To heap or pile up; as, to bank sand.

   3. To pass by the banks of. [Obs.] --Shak.

   {To bank a fire}, {To bank up a fire}, to cover the coals or
      embers with ashes or cinders, thus keeping the fire low
      but alive.

Bank \Bank\, n. [Prob. fr. F. banc. Of German origin, and akin
   to E. bench. See {Bench}.]
   1. A bench, as for rowers in a galley; also, a tier of oars.

            Placed on their banks, the lusty Trojan sweep
            Neptune's smooth face, and cleave the yielding deep.
                                                  --Waller.

   2. (Law)
      (a) The bench or seat upon which the judges sit.
      (b) The regular term of a court of law, or the full court
          sitting to hear arguments upon questions of law, as
          distinguished from a sitting at Nisi Prius, or a court
          held for jury trials. See {Banc}. --Burrill.

   3. (Printing) A sort of table used by printers.

   4. (Music) A bench, or row of keys belonging to a keyboard,
      as in an organ. --Knight.

Bank \Bank\, v. t.
   To deposit in a bank.

Source : WordNet®

bank
     v 1: tip laterally; "the pilot had to bank the aircraft"
     2: enclose with a bank; "bank roads"
     3: do business with a bank or keep an account at a bank; "Where
        do you bank in this town?"
     4: act as the banker in a game or in gambling
     5: be in the banking business
     6: put into a bank account; "She deposites her paycheck every
        month" [syn: {deposit}] [ant: {withdraw}]
     7: cover with ashes so to control the rate of burning; "bank a
        fire"
     8: have confidence or faith in; "We can trust in God"; "Rely on
        your friends"; "bank on your good education"; "I swear by
        my grandmother's recipes" [syn: {trust}, {swear}, {rely}]
        [ant: {distrust}, {distrust}]

bank
     n 1: a financial institution that accepts deposits and channels
          the money into lending activities; "he cashed a check at
          the bank"; "that bank holds the mortgage on my home"
          [syn: {depository financial institution}, {banking
          concern}, {banking company}]
     2: sloping land (especially the slope beside a body of water);
        "they pulled the canoe up on the bank"; "he sat on the
        bank of the river and watched the currents"
     3: a supply or stock held in reserve for future use (especially
        in emergencies)
     4: a building in which commercial banking is transacted; "the
        bank is on the corner of Nassau and Witherspoon" [syn: {bank
        building}]
     5: an arrangement of similar objects in a row or in tiers; "he
        operated a bank of switches"
     6: a container (usually with a slot in the top) for keeping
        money at home; "the coin bank was empty" [syn: {savings
        bank}, {coin bank}, {money box}]
     7: a long ridge or pile; "a huge bank of earth"
     8: the funds held by a gambling house or the dealer in some
        gambling games; "he tried to break the bank at Monte
        Carlo"
     9: a slope in the turn of a road or track; the outside is
        higher than the inside in order to reduce the effects of
        centrifugal force [syn: {cant}, {camber}]
     10: a flight maneuver; aircraft tips laterally about its
         longitudinal axis (especially in turning); "the plane
         went into a steep bank"