hypostome Meaning, Definition & Usage

Hy"po*stome, Hy*pos"to*ma noun (Also<
  • Hypostome
  • Hypostoma
)
Etymology
NL. hypostoma, fr. Gr. beneath + mouth.
Definitions
  1. (Zoöl.) The lower lip of trilobites, crustaceans, etc.

Webster 1913