'Unisexual' definitions:

Definition of 'unisexual'

(from WordNet)
adjective
Relating to only one sex or having only one type of sexual organ; not hermaphroditic

Definition of 'Unisexual'

From: GCIDE
  • Unisexual \U`ni*sex"u*al\, a. [Uni- + sexual: cf. F. unisexuel.] (Biol.) Having one sex only, as plants which have the male and female flowers on separate individuals, or animals in which the sexes are in separate individuals; di[oe]cious; -- distinguished from bisexual, or hermaphrodite. See Di[oe]cious. [1913 Webster]