Webster's Revised Unabridged Dictionary · 1913

Bird's-foot

Bird's-foot ({not transcribed}) , noun

(Botany) A papilionaceous plant, the Ornithopus, having a curved, cylindrical pod tipped with a short, clawlike point.
Collocations (1)
Bird's-foot trefoil (Botany) , (a) A genus of plants (Lotus) with clawlike pods. Lotus corniculatas, with yellow flowers, is very common in Great Britain. (b) the related plant, Trigonella ornithopodioides, is also European.