La"bor*ing , a.
1. That labors; performing labor; esp., performing coarse,
heavy work, not requiring skill also, set apart for labor; as, laboring days.
The sleep of
a laboring man is sweet.
Eccl. v.
12. 2. Suffering
pain or grief. Pope.
Laboring oar,
the oar which requires most strength and exertion; often used
figuratively; as, to have, or pull,
the laboring oar in some
difficult undertaking.