- plural of ovum.
- Cell Biology.
- the female reproductive cell or gamete of animals, which is capable of developing, usually only after fertilization, into a new individual.
- the female reproductive cell or gamete of plants.
- Architecture. an oval ornament, as in an egg-and-dart molding.
Origin of ovum
1700–10; < Latin ōvum egg1; cognate with Greek ōión
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ova
The ova will now adhere together, and some water should be added.
It is advisable that the ova should be obtained from the fish.
The ova should be watched during this time, and the dead ones removed.
The shells of the ova must be removed from the hatching trays.
Everything should now be ready for the reception of the ova.
- the plural of ovum
- an unfertilized female gamete; egg cell
from Latin: egg
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for ova
(plural ova), 1706, from Latin ovum "egg," cognate with Greek oon, Old Norse egg, Old English æg, all perhaps from PIE root *awi- (see egg (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper
- The female reproductive cell or gamete; egg.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The mature reproductive cell of female animals, produced in the ovaries. See more at egg.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.