[tri.fid] adj [L trifidus split into three, fr. tri- + findere to split--more at bite] (1753): being deeply and narrowly cleft into three teeth, processes, or points "a spoon with a ~ top"
TRIFID
Meaning of TRIFID in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012