The Collaborative International Dictionary of English v.0.48:
Coelacanth \C[oe]l"a*canth\ (? or ?), a. [Gr. koi^los hollow + ? spine.] (Zool.) Having hollow spines, as some ganoid fishes.WordNet (r) 3.0 (2006):
coelacanth n 1: fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa [syn: coelacanth, Latimeria chalumnae]