from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A yellow, progesterone-secreting mass of cells that forms from an ovarian follicle after the release of a mature egg.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A yellow mass of cells that forms from an ovarian follicle during the luteal phase of the menstrual cycle in mammals; it secretes steroid hormones.
from the GNU version of the Collaborative International Dictionary of English
- n. the reddish yellow mass which fills a ruptured Graafian follicle in the mammalian ovary.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. yellow endocrine tissue that forms in a ruptured Graafian follicle following the release of an ovum; it degenerates after a few days unless pregnancy has begun
New Latin corpus lūteum : Latin corpus, body + Latin lūteum, neuter of lūteus, yellow.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin corpus ("body") + lūteum ("yellow") (Wiktionary)