| Urine 1. (n.) In mammals, a fluid excretion from the kidneys; in birds and reptiles, a solid or semisolid excretion. 2. (v. i.) To urinate. Thesaurus Entries chyle, colostrum, discharge, gleet, humor, ichor, lachryma, lactation, leukorrhea, lymph, matter, micturition, milk, mucor, mucus, peccant humor, pee, pee-pee, phlegm, piddle, pish, piss, purulence, pus, rheum, saliva, sanies, serous fluid, serum, snot, stale, suppuration, sweat, tear, teardrop, the whites, urea, urination, water, wee-wee |