a. [ Cf. F. gibbeux. See Gibbose. ] [ 1913 Webster ]
1. Swelling by a regular curve or surface; protuberant; convex; as, the moon is gibbous between the half-moon and the full moon. [ 1913 Webster ]
The bones will rise, and make a gibbous member. Wiseman. [ 1913 Webster ]
2. Hunched; hump-backed. [ Obs. ] Sir T. Browne.
-- Gib"bous*ly, adv. -- Gib"bous*ness, n. [ 1913 Webster ]