The definition of a threat is a statement of an intent to harm or punish, or a something that presents an imminent danger or harm.(noun)
See threat in Webster's New World College Dictionary
Origin: ME threte < OE threat, a throng, painful pressure, akin to Ger (ver)driessen, to grieve, annoy < IE *treud-, to push, press (prob. < base *ter-, to rub) > L trudere, to thrust
transitive verb, intransitive verb
See threat in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English thrēat, oppression; see treud- in Indo-European roots.
Learn more about threat