Gib″bous (?), a. [Cf. F. gibbeux. See Gibbose.]
1. Swelling by a regular curve or surface; protuberant; convex; as, the moon is gibbous between the half-moon and the full moon.
The bones will rise, and make a gibbous member. Wiseman.
2. Hunched; hump-backed. Sir T. Browne.
— Gib″bous‐ly, adv. — Gib″bous‐ness, n.