In*tru"sion (?), n. [Cf. F.
intrusion. See Intrude.]
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. (Geol.) The penetrating of one
rock, while in a plastic or metal state, into the cavities of
another.
3. (Law) 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.
4. (Scotch Ch.) The settlement of a
minister over a congregation without their consent.