1. a portable telephone that uses radio waves to make and receive calls

Examples

• She forgot her cellphone at home and couldn’t call for help.
• The teacher asked students to turn off their cellphones during the exam.
• His cellphone battery died in the middle of an important conversation.
• I need to buy a new cellphone because mine is broken.
• The cellphone rang loudly during the movie.
• She uses her cellphone to take photos and send messages.
• Many people rely on their cellphones for navigation while driving.