'Trifid' definitions:
Definition of 'trifid'
From: WordNet
adjective
Divided into three lobes; "trifid petals"
Definition of 'Trifid'
From: GCIDE
- Trifid \Tri"fid\, a. [L. trifidus; tri- (see Tri-) + the root of findere to split: cf. F. trifide.] Cleft to the middle, or slightly beyond the middle, into three parts; three-cleft. [1913 Webster]