- The hump of a deformed spine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for gibbus
You have only to talk to my hump-backed gardener Gibbus, or listen to what he says.
But Gibbus firmly declined the offer, saying he wished to return to his old mistress.
Elsewhere c was k. Before the same vowels g was j (dʒ), as in genus, gibbus, gyrus.Society for Pure English Tract 4
Then he desired Gibbus to wake Rufinus and the shipwrights, and to hide all the nuns in the cabin.