improvised explosive device

Alternative forms

• IED (abbreviation)

Etymology

As a descriptive term, appearing in the early 20th century. In the narrower sense describing weapons of irregulars and terrorists, popularized in the British Army during the Troubles and in the US during the Iraq War.

Noun

improvised explosive device (plural improvised explosive devices)

1. An unconventional or amateur explosive weapon made from nonmilitary components, especially one used by guerillas, commandos or terrorists.