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

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