The Collaborative International Dictionary
Bird's-foot \Bird's"-foot`\, n. (Bot.) A papilionaceous plant, the Ornithopus, having a curved, cylindrical pod tipped with a short, clawlike point. Bird's-foot trefoil. (Bot.)
A genus of plants ( Lotus) with clawlike pods. Lotus corniculatas, with yellow flowers, is very common in Great Britain.
the related plant, Trigonella ornithopodioides, is also European.
Wiktionary
n. A papilionaceous plant with a curved, cylindrical pod tipped with a short, claw-like point.
Usage examples of "bird's-foot".
I walked through fields of pale grass dotted with bird's-foot trefoil, blue milkwort and the crimson spikes of orchids and told myself I should have known that Nimue, a creature of Manawydan's, would have found her refuge as close to the sea as she could find it.