yare - [yair or, especially for 1, 2, yahr]
–adjective, yar·er, yar·est.
1. quick; agile; lively.
2. (of a ship) quick to the helm; easily handled or maneuvered.
3. Archaic .
a. ready; prepared.
b. nimble; quick.
Also, yar ( for defs. 1, 2 ) .
before 900; Middle English; Old English gearu, gearo, equivalent to ge- y- + earu ready; cognate with Dutch gaar, German gar done, dressed (as meat)
Given the nautical pronunciation, I wonder if it has anything in common with our "yarr" of pirate talk.