Horsely

Origin

From Middle English horsly, equivalent to horse + -ly.

Full definition of horsely

Adjective

1. Pertaining to or relating to horses; horse-like; equine.
• 2011, K. M. Grant, Belle's Song:“The best I can say is that it was a very horsely horse. ..."
2. (rare) Having the qualities most approved in a horse.

Adverb

1. (rare) In the manner of a good horse.