Meaning of the word jammer in English

What does jammer mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

jammer

US /ˈdʒæm.ɚ/
UK /ˈdʒæm.ər/

Noun

1.

a device that deliberately broadcasts electromagnetic signals to interfere with communications

Example:
The military used a powerful jammer to disrupt enemy radio signals.
A cell phone jammer can prevent mobile phones from working in a specific area.
2.

a person who jams something, especially a machine or mechanism

Example:
The paper jammer caused the printer to stop working.
He was known as a great jammer of locks, able to pick almost any mechanism.