Meaning of “sling” - Learner’s Dictionary

sling

noun [ C ] uk us /slɪŋ/
ARM

a piece of cloth that you wear around your neck and put your arm into to support it when it is injured

CARRY

a piece of cloth or a strap that you tie around your body to carry things in:

She had her baby in a sling.

(Definition of “sling noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)