Found 1 items, similar to Hypostoma.
English → English (gcide) Definition: Hypostoma Hypostome \Hy"po*stome\, Hypostoma \Hy*pos"to*ma\, n. [NL. hypostoma, fr. Gr. "ypo` beneath + ? mouth.] (Zo["o]l.) The lower lip of trilobites, crustaceans, etc. [1913 Webster]