disepalous,a.Bot.|daɪˈsɛpələs| [f.Gr. δι- (di-2) twice + mod.L. sepal-um sepal + -ous.] Having or consisting of two sepals. 1841Penny Cycl. XXI. 248/1 If there are two sepals, the calyx is disepalous.1870Bentley Bot. 216 Disepalous for a calyx composed of two distinct sepals.