i.e.d.

English Thesaurus

1. an explosive device that is improvised (noun.artifact)

hypernym	:	explosive device,
definition	:	device that bursts with sudden violence from internal energy (noun.artifact)

hyponym	:	gasoline bomb, molotov cocktail, petrol bomb,
definition	:	a crude incendiary bomb made of a bottle filled with flammable liquid and fitted with a rag wick (noun.artifact)