pager

noun

1. something, as a book or brochure, having a specified number of pages (usually used in combination): Her latest report was a 12-pager.

noun

1. beeper(def 3).

noun

1. a small electronic device, capable of receiving short messages; usually carried by people who need to be contacted urgently (e.g. doctors)

n.“device that emits a signal when activated by a telephone call,” 1968, agent noun from page (v.1). A wireless device that, when activated, signals the bearer to contact either a predetermined party or the party indicated on the device itself. Often called a beeper for the annoying beeps some pagers use to alert their owner.