b home T.J. Proechel banana ba⋅nan⋅a [buh-nan-uh] –noun 1. a tropical plant of the genus Musa, certain species of which are cultivated for their nutritious fruit. 2. the fruit, especially that of M. paradisiaca, with yellow or reddish rind. a b c d e f g h i j k l m n o p q r s t u v w x y z back basket balloon bat bamboo banana band basketball bathroom baton be-bin bath bag