A female horse or the female of other equine species.(noun)
Any of the large dark areas on the moon or on Mars or other planets.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "mare" in a sentence
"TO SOLOMON 9AGEBARO, E3 in fupport of his opinion, that a woman was a man, though a man was not a woman; by the fame rule, and for the fame reafon, as a mare is a horfe, though a horfe is not a mare*"
"The easy option: Pronouncing it phonetically, like the word mare."
"You're as different from other women as that kind of a mare is from scrub work-horse mares."