Quad'ri-fid, a.
a. [Lat. quadrifidus, from quatuor, four, and findere, fidi, to cleave; Fr. quadrifide, It. quadrifido.]
Sense 1. Divided or deeply cleft into four parts.
Sense 2. (Bot.) Divided half way from the margin to the base into four clefts; as, a quadrifid perianth; cut about half way into four segments, with linear sinuses and straight margins; as, a quadrifid leaf.