ALL meanings of lancelet
lance·let
L l - noun lancelet A small elongated marine invertebrate that resembles a fish but lacks jaws and obvious sense organs. Lancelets possess a notochord and are among the most primitive chordates. 1
- noun lancelet any of several small, lancet-shaped burrowing marine animals of the subphylum Cephalochordata, having a notochord and bearing structural similarities to both vertebrates and invertebrates. 1
- noun lancelet any of a group of primitive marine animals, of subphylum Cephalochordata, having a notochord instead of a backbone. 0
- noun lancelet any of several marine animals of the genus Branchiostoma (formerly Amphioxus), esp B. lanceolatus, that are closely related to the vertebrates: subphylum Cephalochordata (cephalochordates) 0
- noun lancelet cephalochordate 0