ˌserəˈdelə noun
also ser·ra·dil·la -dilə
( -s )
Etymology: Portuguese serradela, from Latin serratula betony, from serratus serrate
: a Eurasian annual herb ( Ornithopus sativus ) of the family Leguminosae with pinnate leaves and long-stalked honey-producing flowers that is used for forage and green manure — called also bird's-foot