Terebratula \Ter`e*brat"u*la\, n.; pl. {Terebratulae}. [Nl.,
dim. fr. terebratus, p. p., perforated.] (Zool.)
A genus of brachiopods which includes many living and some
fossil species. The larger valve has a perforated beak,
through which projects a short peduncle for attachment.
Called also {lamp shell}.
[1913 Webster]