noun
overalls; boiler suit; coveralls
A one-piece garment worn for work or casual wear, covering the torso and legs.
工場ではつなぎ服を着て作業します。
We work wearing overalls in the factory.
彼はつなぎ服を着てバイクに乗っている。
He rides his motorcycle wearing a boiler suit.
Compound of つなぎ (continuation, connection) and 服 (clothing), referring to a garment where top and bottom are connected.