| Secern 1. (v. t.) To separate; to distinguish. 2. (v. t.) To secrete; as, mucus secerned in the nose. Thesaurus Entries bleed, discharge, effuse, egest, eliminate, emit, exfiltrate, extravasate, exudate, exude, filter, filtrate, give off, give out, lactate, leach, lixiviate, ooze, pass, percolate, produce, reek, secern, secrete, seep, strain, tear, transpire, transude, water, weep |