Ichthyopterygium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Ichthyopterygium \Ich`thy*op`te*ryg"i*um\, n. [NL., fr. Gr.
     'ichqy`s, -y`os, a fish + ? a fin.] (Anat.)
     The typical limb, or lateral fin, of fishes.
     [1913 Webster]