Bible Dictionaries
Semidouble

Webster's Dictionary

(1):

(n.) An office or feast celebrated with less solemnity than the double ones. See Double, n., 8.

(2):

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

Bibliography Information
Webster, Noah. Entry for 'Semidouble'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/semidouble.html. 1828.