lenticular

1. Shaped like a biconvex lens.
2. Of or relating to a lens.

[Latin lenticulāris, lentil-shaped, from lenticula, lentil. See lentil.]

1. Of or relating to a lens.
2. Shaped like a biconvex lens.

1. pertaining to or shaped like a lens.
2. pertaining to the lens of the eye.
3. pertaining to the lenticular nucleus. See also lens.

The adjective has one meaning:

Meaning #1: convex on both sides; lentil-shaped
  Synonyms: biconvex, convexo-convex, lentiform