also: ジャージ
noun
Refers to the knitted fabric itself, not a garment. Often used in compound terms like ジャージー素材.
このTシャツはジャージー素材でできている。
This T-shirt is made of jersey fabric.
A shirt worn as part of a sports uniform, often with a number and team name.
彼はサッカーのジャージーを着て応援に行った。
He went to cheer wearing a soccer jersey.
noun
sweatsuit; tracksuit
A casual matching top and bottom set, often worn for exercise or lounging. In Japanese, ジャージー commonly refers to the whole suit.
体育の授業ではジャージーに着替える。
We change into a tracksuit for PE class.
noun
A breed of dairy cattle. Rare in everyday conversation; mostly encountered in agricultural contexts.
ジャージー種は乳脂肪分の高い牛乳を出す。
Jersey cattle produce milk with high butterfat content.