tr.v., spayed, spay·ing, spays.
To remove surgically the ovaries of (an animal).
[Middle English spaien, from Anglo-Norman espeier, to cut with a sword, from espee, sword, from Latin spatha. See spathe.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
