From The Collaborative International Dictionary of English v.0.48:
Mare \Mare\, n. [AS. mara incubus; akin to OHG. & Icel. mara;
cf. Pol. mora, Bohem. m[*u]ra.] (Med.)
Sighing, suffocative panting, intercepted utterance, with a
sense of pressure across the chest, occurring during sleep;
the incubus; -- obsolete, except in the compound nightmare.
[1913 Webster]
I will ride thee o' nights like the mare. --Shak.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Mare \Mare\ (m[^a]r), n. [OE. mere, AS. mere, myre, fem of AS.
mearh horse, akin to D. merrie mare, G. m[aum]hre, OHG. marah
horse, meriha mare, Icel. marr horse, OCelt. marka (Pausan.
19, 19,4), Ir. marc, W. march. Cf. Marshal.]
The female of the horse and other equine quadrupeds.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
maria \maria\ n. pl.
1. (Astron.) Plural form of mare, a dark region of
considerable extent on the surface of the moon.
[WordNet 1.5]
2. (Bot.) A valuable timber tree of Panama.
Syn: Calophyllum longifolium.
[WordNet 1.5]