D defs.my
Entry 4 senses Webster, 1913

Intrusion

/ĭnˌ-tro͞ozh'-ən/ · In·tru·sion · IPA /ɪnˈtɹuːʒən/
01 n. The act of intruding, or of forcing in; especially, the forcing (one's self) into a place without right or welcome; encroachment.
  1. 1.
    The act of intruding, or of forcing in; especially, the forcing (one's self) into a place without right or welcome; encroachment.
    “Why this intrusion? Were not my orders that I should be private?” Addison.
  2. 2.
    The penetrating of one rock, while in a plastic or metal state, into the cavities of another.(Geol.)
  3. 3.
    The entry of a stranger, after a particular estate or freehold is determined, before the person who holds in remainder or reversion has taken possession.(Law)
  4. 4.
    The settlement of a minister over a congregation without their consent.(Scotch Ch.)