"mares" in the noun sense
1. mare, female horse
female equine animal
2. mare, maria
a dark region of considerable extent on the surface of the moon
"mares" in the verb sense
1. mar, impair, spoil, deflower, vitiate
"nothing marred her beauty"
2. mutilate, mar
destroy or injure severely
Source: WordNet® (An amazing lexical database of English)
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