Sindy may be Guy's companion (4)

I believe the answer is:

doll

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

'guy's companion' is the definition.
(I've seen this in another clue)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for doll that I've seen before include "Play figure" , "Puppet" , "Child's plaything" , "Child's toy figure" , "Toy model of person" .)

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.