toy vs toy terrier

toy and toy terrier both are nouns.

Word	Noun	Adjective	Verb	Adverb
toy	Yes	No	Yes	No
toy terrier	Yes	No	No	No

As nouns, toy terrier is a hyponym of toy; that is, toy terrier is a word with a more specific, narrower meaning than toy:

toy (noun)	toy terrier (noun)
any of several breeds of very small dogs kept purely as pets	a small active dog
an artifact designed to be played with
a copy that reproduces a person or thing in greatly reduced size
a nonfunctional replica of something else (frequently used as a modifier)
a device regarded as providing amusement

toy (verb)	toy terrier (verb)
engage in an activity as if it were a game rather than take it seriously
manipulate manually or in one's mind or imagination
behave carelessly or indifferently