Crossword Genius

Buffoon, one of several appearing together on short London street (9)

Ross

I believe the answer is:

harlequin

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

'buffoon' is the definition.
(I know that harlequin is a type of buffoon)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for harlequin that I've seen before include "Entertainer in diamond-patterned clothing" , "Traditional pantomime character" , "London rugby player" , "Northern duck" , "Spotted dog < with clown" .)

I've seen this clue in The Times.
Want a hint initially instead of a full solution? Install my app