\Ter`e*brat"u*la\, n.; pl. {Terebratul[ae]}. [Nl.,
dim. fr. terebratus, p. p., perforated.] (Zo["o]l.)
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}.