noun
Usage: usually capitalized F
: an annual upright tick trefoil ( Desmodium tortuosum ) of the southern United States and tropical America used for green manure
noun
Usage: usually capitalized F
: an annual upright tick trefoil ( Desmodium tortuosum ) of the southern United States and tropical America used for green manure
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012