/ ˈdʒɜːzi; NAmE ˈdʒɜːrzi/ noun
1.
[ C ] a shirt worn by sb playing a sports game
—picture at American football
2.
[ C ] a knitted piece of clothing made of wool or cotton for the upper part of the body, with long sleeves and no buttons; a type of sweater
3.
[ U ] a type of soft fine knitted cloth used for making clothes :
made from 100% cotton jersey
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WORD ORIGIN
late 16th cent. (denoting woollen worsted fabric made in Jersey): from Jersey..