I. noun
also lu·pin ˈlü-pən
Etymology: Middle English, from Anglo-French, from Latin lupinus, lupinum, from lupinus, adjective
Date: 14th century
: any of a genus ( Lupinus ) of leguminous herbs including some poisonous forms and others cultivated for their long showy racemes of usually blue, purple, white, or yellow flowers or for green manure, fodder, or their edible seeds ; also : an edible lupine seed
II. -ˌpīn adjective
Etymology: Latin lupinus, from lupus wolf — more at wolf
Date: 1660
: wolfish