Definitions

1. noun

A device worn on the head to listen to sound, typically consisting of two earpieces connected by a wire or wireless link to a separate microphone and amplifier.

“She put on her headset and started playing the game.”

2. noun

A device worn on the head to make it easier to hear sound, especially for people with hearing impairments.

“The headset helped him hear the teacher in the noisy classroom.”