| semidouble | กึ่งซ้อน [พฤกษศาสตร์ ๑๘ ก.พ. ๒๕๔๕] |
| Semidouble | n. (Eccl.) An office or feast celebrated with less solemnity than the double ones. See Double, n., 8. [ 1913 Webster ] |
| Semidouble | a. (Bot.) Having the outermost stamens converted into petals, while the inner ones remain perfect; -- said of a flower. [ 1913 Webster ] |