What is "gibbousness"

Gibbous \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. [Obs.]
   --Sir T. Browne. -- Gib"bous*ly, adv. -- Gib"bous*ness, n.

n. The quality of being gibbous.

n. something that bulges out or is protuberant or projects from a form [syn: bulge, bump, hump, gibbosity, jut, prominence, protuberance, protrusion, extrusion, excrescence]