pullover (adj.)

also pull-over, 1871, originally of hats, from the verbal phrase; see pull (v.) + over (adv.). As a noun, from 1875 as a kind of cap of silk or felted fur drawn over a hat-body to form the napping; 1925 as a type of sweater (short for pullover sweater, 1912), so called in reference to the method of putting it on by drawing it over the head. To pull over, in reference to a driver or motor vehicle, "go to the side of the road," is by 1930.

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Definitions of pullover

pullover (n.)
a sweater that is put on by pulling it over the head;
Synonyms: slipover