2 entries under this word

Semidouble

Sēm'i-dōub'le, n.

noun

(-dūb'l), n. [Prefix semi and double.] (Rom. Cath. Church.) An office or feast celebrated with less solemnity than the double ones, but with more than the single ones. Bailey.

Sēm'i-dou'ble, a.

adjective

a. (Bot.) Having the outermost stamens converted into petals, while the inner ones remain perfect; — said of a flower.