Source : Webster's Revised Unabridged Dictionary (1913)

Stale \Stale\, v. t. [imp. & p. p. {Staled}; p. pr. & vb. n.
   {Staling}.]
   To make vapid or tasteless; to destroy the life, beauty, or
   use of; to wear out.

         Age can not wither her, nor custom stale Her infinite
         variety.                                 --Shak.

Stale \Stale\, n. [OE. stale, stele, AS. st[ae]l, stel; akin to
   LG. & D. steel, G. stiel; cf. L. stilus stake, stalk, stem,
   Gr. ? a handle, and E. stall, stalk, n.]
   The stock or handle of anything; as, the stale of a rake.
   [Written also {steal}, {stele}, etc.]

         But seeling the arrow's stale without, and that the
         head did go No further than it might be seen.
                                                  --Chapman.

Stale \Stale\, a. [Akin to stale urine, and to stall, n.;
   probably from Low German or Scandinavian. Cf. {Stale}, v. i.]
   1. Vapid or tasteless from age; having lost its life, spirit,
      and flavor, from being long kept; as, stale beer.

   2. Not new; not freshly made; as, stele bread.

   3. Having lost the life or graces of youth; worn out;
      decayed. ``A stale virgin.'' --Spectator.

   4. Worn out by use or familiarity; having lost its novelty
      and power of pleasing; trite; common. --Swift.

            Wit itself, if stale is less pleasing. --Grew.

            How weary, stale flat, and unprofitable Seem to me
            all the uses of this world!           --Shak.

   {Stale affidavit} (Law), an affidavit held above a year.
      --Craig.

   {Stale demand} (Law), a claim or demand which has not been
      pressed or demanded for a long time.

Stale \Stale\, v. i. [Akin to D. & G. stallen, Dan. stalle, Sw.
   stalla, and E. stall a stable. ? 163. See {Stall}, n., and
   cf. {Stale}, a.]
   To make water; to discharge urine; -- said especially of
   horses and cattle. --Hudibras.

Stale \Stale\, n. [See {Stale}, a. & v. i.]
   1. That which is stale or worn out by long keeping, or by
      use. [Obs.]

   2. A prostitute. [Obs.] --Shak.

   3. Urine, esp. that of beasts. ``Stale of horses.'' --Shak.

Stale \Stale\, n. [Cf. OF. estal place, position, abode, market,
   F. ['e]tal a butcher's stall, OHG. stal station, place,
   stable, G. stall (see {Stall}, n.); or from OE. stale theft,
   AS. stalu (see {Steal}, v. t.)]
   1. Something set, or offered to view, as an allurement to
      draw others to any place or purpose; a decoy; a stool
      pigeon. [Obs.]

            Still, as he went, he crafty stales did lay.
                                                  --Spenser.

   2. A stalking-horse. [Obs.] --B. Jonson.

   3. (Chess) A stalemate. [Obs.] --Bacon.

   4. A laughingstock; a dupe. [Obs.] --Shak.

Source : WordNet®

stale
     adj 1: showing deterioration from age; "stale bread" [ant: {fresh}]
     2: lacking originality or spontaneity; no longer new;
        "moth-eaten theories about race" [syn: {old}, {moth-eaten}]
     3: no longer new; uninteresting; "cold (or stale) news" [syn: {cold}]

stale
     v : urinate, of cattle and horses