Noun
broad flat beans simmered gently; never eaten raw
bush or tall-growing bean plant having large flat edible seeds
bush bean plant cultivated especially in southern United States having small flat edible seeds
Source: WordNetA shot of cocaine and speed, and a shot of heroin. Stripped off all my clothes, leapt downstairs, and ran out on Park Avenue and two blocks down it before my friends caught me. Naked. Naked as a lima bean. Edie Sedgwick
The baby kangaroo was the size of a Lima bean when it was born. Source: Internet