Meaning of “strap” - Learner’s Dictionary

strap

noun [ C ] uk us /stræp/

a narrow piece of material used to fasten two things together or to carry something:

a watch strap
a bra strap
I want a bag with a shoulder strap.
strap verb [ T ] (present participle strapping, past tense and past participle strapped)

to fasten something using a strap

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