cup \cup\ ku^p, n. as. cuppe, ll. cuppa cup; cf. l. cupa
   tub, cask; cf. also gr. ky`ph hut, skr. k=upa pit, hollow,
   oslav. kupa cup. cf. coop, cupola, cowl a water vessel,
   and cob, coif, cop.
   1. a small vessel, used commonly to drink from; as, a tin
      cup, a silver cup, a wine cup; especially, in modern
      times, the pottery or porcelain vessel, commonly with a
      handle, used with a saucer in drinking tea, coffee, and
      the like.
      1913 webster

   2. the contents of such a vessel; a cupful.
      1913 webster

            give me a cup of sack, boy.           --shak.
      1913 webster

   3. pl. repeated potations; social or excessive indulgence in
      intoxicating drinks; revelry.
      1913 webster

            thence from cups to civil broils.     --milton.
      1913 webster

   4. that which is to be received or indured; that which is
      allotted to one; a portion.
      1913 webster

            o my father, if it be possible, let this cup pass
            from me.                              --matt. xxvi.
                                                  39.
      1913 webster

   5. anything shaped like a cup; as, the cup of an acorn, or of
      a flower.
      1913 webster

            the cowslip's golden cup no more i see. --shenstone.
      1913 webster

   6. med. a cupping glass or other vessel or instrument used
      to produce the vacuum in cupping.
      1913 webster

   cup and ball, a familiar toy of children, having a cup on
      the top of a piece of wood to which, a ball is attached by
      a cord; the ball, being thrown up, is to be caught in the
      cup; bilboquet. --milman.

   cup and can, familiar companions.

   dry cup, wet cup med., a cup used for dry or wet
      cupping. see under cupping.

   to be in one's cups, to be drunk.
      1913 webster
see also:
coop cupola cowl cob coif cop 
cup and ball cup and can dry cup wet cup cupping 
to be in one's cups