Crossword Genius

Toy greyhound? (6)

Ross

I believe the answer is:

lapdog

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

'toy greyhound?' is the definition.
The answer and definition can be both animals as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'toy greyhound?' is the wordplay.
'toy' becomes 'lap' (I can't justify this - if you can you should believe this answer much more).
'greyhound?' becomes 'dog' (greyhound is a kind of dog).
'lap'+'dog'='LAPDOG'

Can you help me to learn more?

(Other definitions for lapdog that I've seen before include "Pampered pet - sycophantic sidekick" , "Infatuated person - small docile pet" , "Small pampered pet" , "one of man's more diminutive best friends" , "Pom, for one" .)

I've seen this clue in the Evening Standard.
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