| Semen 1. (n.) The seed of plants. 2. (n.) The seed or fecundating fluid of male animals; sperm. It is a white or whitish viscid fluid secreted by the testes, characterized by the presence of spermatozoids to which it owes its generative power. Thesaurus Entries androcyte, antheridium, antherozoid, autacoid, bile, chalone, digestive secretion, endocrine, gall, gastric juice, hormone, intestinal juice, male gamete, milt, mucus, pancreatic juice, pollen, prostatic fluid, protein, rheum, salivary secretion, scum, seed, seminal fluid, sperm, sperm cell, spermagonium, spermatic fluid, spermatid, spermatiophore, spermatium, spermatocyte, spermatogonium, spermatophore, spermatozoa, spermatozoid, spermatozoon, tears, thyroxin |