swelling
🇺🇸
/ˈswelɪŋ/
🇬🇧
/ˈswelɪŋ/
when something gets bigger or puffier than usual
The swelling on his knee made it hard to walk.
a part of your body that gets bigger or rounder because of sickness or injury
She noticed a swelling on her arm after the bee sting.