What is "irruptions"

Usage examples of "irruptions".

Doubtless they chose farming because that life is private and secluded from irruptions of undesirable strangers-- like the pilot-house hermitage.

If I have not lost my mind I have accurately conveyed those two Vesuvian irruptions of philosophy.

For a council was called to settle what was best and most expedient to be done, in order to repel such frequent and fatal irruptions and plunderings of the above-named nations.