Source : Webster's Revised Unabridged Dictionary (1913)

Bed \Bed\, n. [AS. bed, bedd; akin to OS. bed, D. bed, bedde,
   Icel. be?r, Dan. bed, Sw. b["a]dd, Goth. badi, OHG. betti, G.
   bett, bette, bed, beet a plat of ground; all of uncertain
   origin.]
   1. An article of furniture to sleep or take rest in or on; a
      couch. Specifically: A sack or mattress, filled with some
      soft material, in distinction from the bedstead on which
      it is placed (as, a feather bed), or this with the
      bedclothes added. In a general sense, any thing or place
      used for sleeping or reclining on or in, as a quantity of
      hay, straw, leaves, or twigs.

            And made for him [a horse] a leafy bed. --Byron.

            I wash, wring, brew, bake, . . . make the beds.
                                                  --Shak.

            In bed he slept not for my urging it. --Shak.

   2. (Used as the symbol of matrimony) Marriage.

            George, the eldest son of his second bed.
                                                  --Clarendon.

   3. A plat or level piece of ground in a garden, usually a
      little raised above the adjoining ground. ``Beds of
      hyacinth and roses.'' --Milton.

   4. A mass or heap of anything arranged like a bed; as, a bed
      of ashes or coals.

   5. The bottom of a watercourse, or of any body of water; as,
      the bed of a river.

            So sinks the daystar in the ocean bed. --Milton.

   6. (Geol.) A layer or seam, or a horizontal stratum between
      layers; as, a bed of coal, iron, etc.

   7. (Gun.) See {Gun carriage}, and {Mortar bed}.

   8. (Masonry)
      (a) The horizontal surface of a building stone; as, the
          upper and lower beds.
      (b) A course of stone or brick in a wall.
      (c) The place or material in which a block or brick is
          laid.
      (d) The lower surface of a brick, slate, or tile.
          --Knight.

   9. (Mech.) The foundation or the more solid and fixed part or
      framing of a machine; or a part on which something is laid
      or supported; as, the bed of an engine.

   10. The superficial earthwork, or ballast, of a railroad.

   11. (Printing) The flat part of the press, on which the form
       is laid.

   Note: Bed is much used adjectively or in combination; as, bed
         key or bedkey; bed wrench or bedwrench; bedchamber;
         bedmaker, etc.

   {Bed of justice} (French Hist.), the throne (F. lit bed)
      occupied by the king when sitting in one of his
      parliaments (judicial courts); hence, a session of a
      refractory parliament, at which the king was present for
      the purpose of causing his decrees to be registered.

   {To be brought to bed}, to be delivered of a child; -- often
      followed by of; as, to be brought to bed of a son.

   {To make a bed}, to prepare a bed; to arrange or put in order
      a bed and its bedding.

   {From bed and board} (Law), a phrase applied to a separation
      by partial divorce of man and wife, without dissolving the
      bonds of matrimony. If such a divorce (now commonly called
      a judicial separation) be granted at the instance of the
      wife, she may have alimony.

Bed \Bed\, v. i.
   To go to bed; to cohabit.

         If he be married, and bed with his wife. --Wiseman.

Bed \Bed\, v. t. [imp. & p. p. {Bedded}; p. pr. & vb. n.
   {Bedding}.]
   1. To place in a bed. [Obs.] --Bacon.

   2. To make partaker of one's bed; to cohabit with.

            I'll to the Tuscan wars, and never bed her. --Shak.

   3. To furnish with a bed or bedding.

   4. To plant or arrange in beds; to set, or cover, as in a bed
      of soft earth; as, to bed the roots of a plant in mold.

   5. To lay or put in any hollow place, or place of rest and
      security, surrounded or inclosed; to embed; to furnish
      with or place upon a bed or foundation; as, to bed a
      stone; it was bedded on a rock.

            Among all chains or clusters of mountains where
            large bodies of still water are bedded.
                                                  --Wordsworth.

   6. (Masonry) To dress or prepare the surface of stone) so as
      to serve as a bed.

   7. To lay flat; to lay in order; to place in a horizontal or
      recumbent position. ``Bedded hair.'' --Shak.

Source : WordNet®

bed
     n 1: a piece of furniture that provides a place to sleep; "he sat
          on the edge of the bed"; "the room had only a bed and
          chair"
     2: a plot of ground in which plants are growing; "the gardener
        planted a bed of roses"
     3: a depression forming the ground under a body of water; "he
        searched for treasure on the ocean bed" [syn: {bottom}]
     4: (geology) a stratum of rock (especially sedimentary rock);
        "they found a bed of standstone"
     5: a stratum of ore or coal thick enough to be mined with
        profit; "he worked in the coal beds" [syn: {seam}]
     6: single thickness of usually some homogeneous substance;
        "slices of hard-boiled egg on a bed of spinach" [syn: {layer}]
     7: the flat surface of a printing press on which the type form
        is laid in the last stage of producing a newspaper or
        magazine or book etc.
     8: a foundation of earth or rock supporting a road or railroad
        track; "the track bed had washed away"
     [also: {bedding}, {bedded}]

bed
     v 1: furnish with a bed; "The inn keeper could bed all the new
          arrivals"
     2: place (plants) in a prepared bed of soil
     3: put to bed; "The children were bedded at ten o'clock"
     4: have sexual intercourse with; "This student sleeps with
        everyone in her dorm"; "Adam knew Eve"; "Were you ever
        intimate with this man?" [syn: {roll in the hay}, {love},
        {make out}, {make love}, {sleep with}, {get laid}, {have
        sex}, {know}, {do it}, {be intimate}, {have intercourse},
        {have it away}, {have it off}, {screw}, {fuck}, {jazz}, {eff},
         {hump}, {lie with}, {have a go at it}, {bang}, {get it on},
         {bonk}]
     5: go to bed in order to sleep; "I usually turn in at
        midnight"; "He turns out at the crack of dawn" [syn: {go
        to bed}, {turn in}, {crawl in}, {kip down}, {hit the hay},
         {hit the sack}, {sack out}, {go to sleep}, {retire}]
        [ant: {get up}, {get up}]
     [also: {bedding}, {bedded}]