Pterygopodium

1 definition found

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

  Pterygopodium \Pter`y*go*po"di*um\, n.; pl. {Pterygopodia}.
     [NL., fr. Gr. ?, ?, a fin + ?, dim. of ?, ?, a foot.] (Anat.)
     A specially modified part of the ventral fin in male
     elasmobranchs, which serves as a copulatory organ, or
     clasper.
     [1913 Webster]