资料来源 : pyDict

三裂的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

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.

资料来源 : WordNet®

trifid
     adj : divided into three lobes; "trifid petals"