lancelet — English Dictionary

Noun

1. any of a group of primitive marine animals, having a notochord instead of a backbone

2. any of a group of primitive marine animals, having a notochord instead of a backbone of subphylum Cephalochordata

3. any of a group of primitive marine animals, having a notochord instead of a backbone of subphylum Cephalochordata of order Amphioxiformes

Noun

1. small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates

   Synonyms

   amphioxus

   Broader terms

   cephalochordate