sweater
sweat‧er /ˈswetə $ -ər/
noun [countable]
a piece of warm wool or cotton clothing with long sleeves, which covers the top half of your body
SYN jumper British English
sweat‧er /ˈswetə $ -ər/
noun [countable] Date: 1800-1900
Origin: sweat; because it was originally worn when doing exercise, to make you sweat
Origin: sweat; because it was originally worn when doing exercise, to make you sweat

a piece of warm wool or cotton clothing with long sleeves, which covers the top half of your body
SYN jumper British English