SG Heritage Dictionary

Avicula [Noun] Webster's Dictionary 1913

A genus of marine bivalves, having a pearly interior, allied to the pearl oyster; -- so called from a supposed resemblance of the typical species to a bird.

Avicular [Adjective] Webster's Dictionary 1913

Of or pertaining to a bird or to birds.

Avicularia [Noun plural] Webster's Dictionary 1913

See prehensile processes on the cells of some Bryozoa, often having the shape of a bird's bill.