The Collaborative International Dictionary of English v.0.48:
Banana \Ba*na"na\ (b[.a]*n[aum]"n[.a]; 277), n. [Sp. banana,
name of the fruit.] (Bot.)
A perennial herbaceous plant of almost treelike size (Musa
sapientum); also, its edible fruit. See Musa.
Note: The banana has a soft, herbaceous stalk, with leaves of
great length and breadth. The flowers grow in bunches,
covered with a sheath of a green or purple color; the
fruit is five or six inches long, and over an inch in
diameter; the pulp is soft, and of a luscious taste,
and is eaten either raw or cooked. This plant is a
native of tropical countries, and furnishes an
important article of food.
Banana bird (Zool.), a small American bird (Icterus
leucopteryx), which feeds on the banana.
Banana quit (Zool.), a small bird of tropical America, of
the genus Certhiola, allied to the creepers.