n.
1 the female of any equine animal, esp. the horse.
2 sl. derog. a woman.
Phrases and idioms:
mare's nest an illusory discovery. mare's tail
1 a tall slender marsh plant, Hippuris vulgaris.
2 (in pl.) long straight streaks of cirrus cloud.
Etymology: ME f. OE mearh horse f. Gmc: cf. MARSHAL
2.
n. (pl. maria or mares)
1 (in full mare clausum) Law the sea under the jurisdiction of a particular country.
2 (in full mare liberum) Law the sea open to all nations.
3 a any of a number of large dark flat areas on the surface of the moon, once thought to be seas. b a similar area on Mars.
Etymology: L, = sea
Useful english dictionary. 2012.