According to most common use dictionaries, the noun form of the word "bulge," synonyms would be words such as "swelling, bump, lump, protuberance, prominence, tumescence." For more informal usage, "surge, upsurge, rise, increase, escalation."
For the verb form of the word "bulge," the some appropriate synonyms would be "swell, stick out, puff out, balloon (out), bug out, fill out, belly, distend, tumefy, intumesce, project, protrude, stand out.
bulge
To protrude or project
Another name i have heard it called was " the knot" and "the bulge".
part of something that swells up
The bulge in Ron's pocket moved a little as Scabbers, his rat, began to wake up and move around inside.
swelling, bump, lump, protuberance, prominence, tumescence.
There was a strange bulge in the lawn.The Battle of the Bulge is a historic event.Karen went to the doctor as soon as she noticed a bulge beneath one of her breasts.
Gee, I hope this tight shirt hides my bulge.Is a bugle with a bulge actually a saxophone?"The caldera has a fresh bulge today", shouted the rider as he spurred his horse faster down the volcano's trail.
Trying to lose weight! (The bulge is the abdominal or midriff bulge.)
The word protrude means to extend beyond or above a surface. There are many synonyms for this word such as: extrude, jut, jut out, bulge, swell, and distend.
the German offensive at the battle of the bulge caused a 'bulge' in the allied front lines, thus came about the term 'battle of the bulge'........
It means when your in space and you have a big bulge.