beep
noun
a short, relatively high-pitched tone produced by a horn, electronic device, or the like as a signal, summons, or warning.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But the clock fell off the string and has been beeping at 6:50 p.m. or 7:50 p.m. each day, depending on whether it’s Daylight Savings Time.
From Seattle Times ● Jul. 7, 2017