baby carriage

noun
1.
a conveyance similar to an infant's crib set on four wheels and meant to be pushed.
Also called baby buggy, carriage.
Origin
1865-70
British Dictionary definitions for baby buggy

Baby Buggy

noun
1.
trademark (Brit) a kind of child's light pushchair
2.
(US & Canadian, informal) a small pram

baby carriage

noun
1.
(US & Canadian) Also baby buggy. a cot-like four-wheeled carriage for a baby British term pram