fin-footed

[ fin-foo t-id ]
/ ˈfɪnˌfʊt ɪd /

adjective Ornithology.

having feet with the toes separately furnished with flaps, as the finfoots and coots.

Origin of fin-footed

First recorded in 1640–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019