The Collaborative International Dictionary of English v.0.48:

Infundibular \In`fun*dib"u*lar\, Infundibulate
\In`fun*dib"u*late\, a. [See Infundibulum.]
   Having the form of a funnel; pertaining to an infundibulum.
   [1913 Webster]

   Infundibulate Bryozoa (Zool.),a group of marine Bryozoa
      having a circular arrangement of the tentacles upon the
      disk.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

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