sweatshirt

sweat‧shirt /ˈswet-ʃɜːt $ -ʃɜːrt/ BrE AmE noun [countable]
a loose warm piece of clothing which covers the top part of your body and arms and is worn especially for sport or relaxation

Oxford Advanced Learner's Dictionary

sweatshirt

sweat·shirt [sweatshirt sweatshirts] [ˈswetʃɜːt] [ˈswetʃɜːrt] noun

a piece of clothing for the upper part of the body, with long sleeves, usually made of thick cotton and often worn for sports

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition

sweatshirt / ˈswet.ʃɜːt / / -ʃɝːt / noun [ C ]

B1 a piece of informal clothing with long sleeves, usually made of thick cotton, worn on the upper part of the body:

She was dressed casually in jeans and a sweatshirt.

Collins COBUILD Advanced Learner’s English Dictionary

sweatshirt

/swetʃɜ:(r)t/
also sweat shirt
(sweatshirts)

A sweatshirt is a loose warm piece of casual clothing, usually made of thick stretchy cotton, which covers the upper part of your body and your arms.

N-COUNT

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary:

sweatshirt

sweat·shirt /ˈswɛtˌʃɚt/ noun, pl -shirts [count] : a piece of clothing for the upper part of your body that is made from a thick, soft material

noun