band · noun C /b├Žnd/Full view
A1 a group of musicians who play modern music together
Dictionary examples:

a jazz/rock band

The Beatles are probably the most famous band in the world.

Learner example:

Can we have a rock band like Etho? (Key English Test; A2; French)

C2 a thin, flat piece or circle of material put around something or used to hold things together
Dictionary examples:

I have two bands for this watch, one black and one red.

a rubber band

Learner example:

It is my wedding ring I am referring to, which was presented to me 3 years ago. It is a platinum band with 12 tiny diamonds set at regular intervals to go all [a]round. (Certificate of Proficiency in English; C2; Japanese)

Cambridge University Press