butter bean
or but·ter·bean
noun
a variety of small-seeded lima bean, Phaseolus lunatus, grown in the southern U.S.
Midland and Southern U.S.
any type of lima bean.
Origin of butter bean
First recorded in 1810–20
Words nearby butter bean
butt-fuck,
butt-fucker,
buttals,
butte,
butter,
butter bean,
butter brickle,
butter clam,
butter cookie,
butter knife,
butter muslin
British Dictionary definitions for butter bean
butter bean
noun
a variety of lima bean that has large pale flat edible seeds and is grown in the southern US