bulge
Definitions
A rounded swelling or protuberance that distorts a flat surface.
To swell or protrude to an unusual or unnatural extent.
A sudden or temporary increase in quantity or size.
Examples
The heavy books caused a noticeable bulge in his backpack.
The muscles in his arm began to bulge as he lifted the heavy weight.
There was a slight bulge in the carpet where the floorboard had warped.
Synonyms
protrusion swelling bump protuberance hump projection distension