'Lancelet' definitions:
Definition of 'lancelet'
From: WordNet
noun
Small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates [syn: lancelet, amphioxus]
Definition of 'Lancelet'
From: GCIDE
- Lancelet \Lance"let\, n. [Lance + -let.] (Zool.) A small fishlike animal (Amphioxus lanceolatus), remarkable for the rudimentary condition of its organs. It is the type of the class Leptocardia. See Amphioxus, Leptocardia. [1913 Webster]