pipe bomb

American  

noun

1. a small homemade bomb typically contained in a metal pipe.

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pipe bomb British  

noun

1. a small explosive device hidden in a pipe or drain, detonated by means of a timer

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Etymology

Origin of pipe bomb

First recorded in 1965–70

Example Sentences

For four years, cellphone data provided to the FBI about two pipe bombs placed near the Jan. 6, 2021 Capitol attack sat on a digital shelf because investigators couldn’t read it.

From The Wall Street Journal

A tipster in the southern U.S. recalled overhearing a conversation that seemed to connect a local woman to the pipe bombs.

From The Wall Street Journal

In Washington DC, a bomb threat was made to the Democratic National Committee headquarters, trigging a police search of the building where a pipe bomb was discovered on 6 January 2021.

From BBC

It remains unclear whether there was a connection between the pipe bombs and the riot.

From Seattle Times

Mr. D’Antuono also provided testimony about the viability of the pipe bombs, which, according to reporting by The Washington Times, were deemed to be ‘inoperable.’

From Washington Times