Crossword Genius

Catch on small branch of tree (4)

Ross

I believe the answer is:

twig

I'm a little stuck... Click here to teach me more about this clue!

'catch on' is the definition.
(synonyms)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for twig that I've seen before include "Cotton on - small branch" , "Get the idea" , "Eventually grasp" , "small piece in plane, say" , "Suddenly comprehend" .)

I've seen this clue in The Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.