GIBBOUS
gibbous, gibbose
(adjective) (used of the moon) more than half full
crookback, crookbacked, humped, humpbacked, hunchbacked, gibbous, kyphotic
(adjective) characteristic of or suffering from kyphosis, an abnormality of the vertebral column
Source: WordNet® 3.1
Etymology
Adjective
gibbous (comparative more gibbous, superlative most gibbous)
Characterized by convexity; protuberant.
(astronomy) Phase of moon or planet between first quarter and full or between full and last quarter.
Humpbacked.
Source: Wiktionary
Gib"bous, a. Etym: [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. [Obs.] Sir T. Browne.
– Gib"bous*ly, adv.
– Gib"bous*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition