From The Collaborative International Dictionary of English v.0.48:
Horse \Horse\ (h[^o]rs), v. t. [imp. & p. p. Horsed; p. pr. &
vb. n. Horsing.] [AS. horsion.]
1. To provide with a horse, or with horses; to mount on, or
as on, a horse. "Being better horsed, outrode me." --Shak.
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2. To sit astride of; to bestride. --Shak.
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3. To mate with (a mare); -- said of the male.
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4. To take or carry on the back; as, the keeper, horsing a
deer. --S. Butler.
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5. To place on the back of another, or on a wooden horse,
etc., to be flogged; to subject to such punishment.
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