gourd(gôrd, go͝ord) n.
1. Any of several trailing or climbing cucurbit plants bearing fruits with a hard rind, especiallyLagenaria siceraria and a variety of Cucurbita pepo.
a. The fruit of such a plant, sometimes of unusual shape or color.
b. The dried and hollowed-out shell of one of these fruits, often used as a container oras a decorative object.
off/out of (one's) gourd Slang
Very foolish; crazy.
[Middle English gourde, from Anglo-Norman, ultimately from Latin cucurbita.]