stroller vs perambulator

stroller and perambulator both are nouns.

Word	Noun	Adjective	Verb	Adverb
stroller	Yes	No	No	No
perambulator	Yes	No	No	No

As nouns, stroller and perambulator are synonyms defined as:

stroller and perambulator: a small vehicle with four wheels in which a baby or child is pushed around

Other synonyms of stroller include baby buggy, baby carriage, carriage, go-cart, pram, pushchair, pusher.

stroller (noun)	perambulator (noun)
a small vehicle with four wheels in which a baby or child is pushed around	a small vehicle with four wheels in which a baby or child is pushed around
someone who walks at a leisurely pace