2 entries under this word

Univalve

Ū'ni-vălve, n.

noun

n. [See infra.] (Zoöl.) A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snail.

An illustration of a univalve seashell with a long, narrow opening. — Univalve (*Bucci- num undatum*).

Ū'ni-välve or Ū'ni-välved, a.

adjective

(-välvd), a. [N. Lat. univalvis, from Lat. unus, one, and valva, a valve; Fr. univalve, Sp. & It. univalvo.] Having one shell only, as a shell or pericarp.