'biovular' definitions:

Definition of 'biovular'

From: WordNet
adjective
(of twins) derived from two separate fertilized ova; "fraternal twins are biovular" [syn: fraternal, biovular] [ant: identical, monovular]

Definition of 'biovular'

From: GCIDE
  • biovular \biovular\ adj. derived from two separate ferilized ova; -- of twins; as, fraternal twins are biovular. Antonym of identical.
  • Syn: fraternal. [WordNet 1.5]