The Collaborative International Dictionary of English v.0.48:

Cup \Cup\, v. t. [imp. & p. p. Cupped (k[u^]pt); p. pr. & vb.
   n. Cupping.]
   1. To supply with cups of wine. [R.]
      [1913 Webster]

            Cup us, till the world go round.      --Shak.
      [1913 Webster]

   2. (Surg.) To apply a cupping apparatus to; to subject to the
      operation of cupping. See Cupping.
      [1913 Webster]

   3. (Mech.) To make concave or in the form of a cup; as, to
      cup the end of a screw.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "cupped":
   boat-shaped, boatlike, bowl-shaped, bowllike, cavelike, cavernous,
   concave, concaved, craterlike, cup-shaped, cymbiform, dish-shaped,
   dished, dishing, dishlike, funnel-breasted, funnel-chested,
   funnel-shaped, hollow, hollowed, incurved, incurving, incurvous,
   infundibular, infundibuliform, navicular, naviform, retiring,
   retreating, saucer-shaped, scaphoid, scyphate, spoonlike, sunk,
   sunken