D defs.my
Entry 1 sense Webster, 1913

Gyrodus

/(jĭr"ō̇*dŭs)/ · Gyr·o·dus · IPA
01 n. A genus of extinct oölitic fishes, having rounded teeth in several rows adapted for crushing.
  1. 1.
    A genus of extinct oölitic fishes, having rounded teeth in several rows adapted for crushing.(Paleon.)