from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Botany The central portion of an ovule in which the embryo sac develops; the megasporangium.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The tissue which surrounds and protects the embryo and lies inside of the integuments.
from the GNU version of the Collaborative International Dictionary of English
- n. See nucleus, 3 (a).
from The Century Dictionary and Cyclopedia
- In botany, the body of the ovule containing the embryo-sac; the nucleus of the ovule.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. central part of a plant ovule; contains the embryo sac
New Latin, from nux, nuc-, nut.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French nucelle ("little nut"), from Latin nux ("nut"). (Wiktionary)