1. (a.) Having four ways meeting in a point.

2. (n.) One of the four liberal arts making up the quadrivium.

billeted cleft cloven cracked cut domiciled domiciliated housed in pieces in shreds lacerate lacerated mangled mutilated quadrifid quadrifoliate quadriform quadrifurcate quadrigeminal quadripartite quadripinnate quadriplanar quadrisected quadrivial quadrumanal quadrumanous ragged rent riven severed shredded slit splintered split stabled tattered torn