Ancient Greek a fin + diminutive of a foot.
pterygopodium (plural pterygopodia)
- (anatomy) A modified part of the ventral fin in male elasmobranchs, which serves as a copulatory organ, or clasper.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for pterygopodium in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)