Source : Webster's Revised Unabridged Dictionary (1913)

Lenticula \Len*tic"u*la\ (l[e^]n*t[i^]k"[-u]*l[.a]), n.; pl. E.
   {Lenticulas} (-l[.a]z), L. {Lenticul[ae]} (-l[=e]). [L. See
   {Lenticel}.]
   1. (Med.) A kind of eruption upon the skin; lentigo; freckle.

   2. (Opt.) A lens of small size.

   3. (Bot.) A lenticel.