'Lenticular' definitions:

Definition of 'lenticular'

(from WordNet)
adjective
Convex on both sides; shaped like a lentil [syn: biconvex, convexo-convex, lenticular, lentiform]

Definition of 'Lenticular'

From: GCIDE
  • Lenticular \Len*tic"u*lar\ (-l[~e]r), a. [L. lenticularis: cf. F. lenticulaire. See Lenticel.] Resembling a lentil in size or form; having the form of a double-convex lens. [1913 Webster]