Of a fruit: Composed of three cocci or carpels; also of a plant, having a fruit of this kind.

Of a fruit: formed from more than one flower, and incorporating floral parts outside the ovary. Also: having such fruits.

having four cocci or carpels; also, applied to bacteria when in four segments (Jackson Gloss. Bot. T. 1900).

Botany. Of a part, esp. a leaf: consisting of, originating from, or bearing, a single component; not lobed or divided. Cf. compound, adj. 2d.

Of a simple fruit: formed by the gynoecium of a single flower.

Botany. Applied to a fruit formed by the aggregation of several flowers, as the mulberry and pine-apple. (Opposed to simple.)