Meaning of the word knobby in English

What does knobby mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

knobby

US /ˈnɑː.bi/
UK /ˈnɒb.i/

Adjective

having lumps or bumps on the surface

Example:
The old tree had a thick, knobby trunk.
He used a knobby stick to help him walk.