| Milt 1. (n.) The spleen. 2. (n.) The spermatic fluid of fishes. 3. (n.) The testes, or spermaries, of fishes when filled with spermatozoa. 4. (v. t.) To impregnate (the roe of a fish) with milt. Thesaurus Entries androcyte, antheridium, antherozoid, male gamete, milt, protein, scum, seed, semen, seminal fluid, sperm, sperm cell, spermagonium, spermatic fluid, spermatid, spermatiophore, spermatium, spermatocyte, spermatogonium, spermatophore, spermatozoa, spermatozoid, spermatozoon |