a. and sb. [ad. mod.L. Limacoid-ea, f. L. līmāc-, līmāx slug: see -OID.] a. adj. Pertaining to the Limacoidea, a family of gastropods typified by the genus Limax. b. sb. A slug of the family Limacoidea.
1855. Mayne, Expos. Lex., Limacoides, applied by Goldfuss, Ficinus, and Carus to an Order (Limacoidea, more correctly Limacoides) of the Enthelmintha, comprehending the intestinal flat worms which have some resemblance to the Limaces or slugs: limacoid.