A good leg

(Naut.) a course sailed on a tack which is near the desired course.

See also: Leg

References in classic literature ?
On the 22d of June he sold his dog--said 'Dern a dog, anyway, where you're just starting off on a rattling bully pleasure tramp through the summer woods and hills--perfect nuisance--chases the squirrels, barks at everything, goes a-capering and splattering around in the fords-- man can't get any chance to reflect and enjoy nature-- and I'd a blamed sight ruther carry the claim myself, it's a mighty sight safer; a dog's mighty uncertain in a financial way- -always noticed it--well, GOOD-by, boys--last call--I'm off for Tennessee with a good leg and a gay heart, early in the morning.