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y, 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.

Of or pertaining to intrusion.

One who intrudes; especially, one who favors the appointment of a clergyman to a parish, by a patron, against the wishes of the parishioners.

The intrusion of a person into a bishopric during the life of the bishop.

A wall-like mass of mineral matter, usually an intrusion of igneous rocks, filling up rents or fissures in the original strata.

act of entering gradually or silently upon the rights or possessions of another; unlawful intrusion. An unconstitutional encroachment of military power on the civil establishment. Bancroft.

especially, an inclosing structure of wood, iron, or other material, intended to prevent intrusion from without or straying from within. Leaps o'er the fence with ease into the fold. Milton.

the insertion of a phrase, line, or verse in a metrical composition; specif. (Geol.), the intrusion of a bed or layer between other layers. Intercalations of fresh-water species in some localities. Mantell.

Apt to intrude; characterized by intrusion; entering without right or welcome. Intrusive rocks (Geol.), rocks which have been forced, while in a plastic or melted state, into the cavities or between the cracks or layers of other rocks. The term is sometimes used as equivalent to plutonic rocks. It is then contrasted wi…

ve it in the door. To find the latchstring out, to meet with hospitality; to be welcome. (Intrusion is prevented by drawing in the latchstring.) [Colloq. U.S.]

ion; dispossession; ejection; disseizin. Ouster of the freehold is effected by abatement, intrusion, disseizin, discontinuance, or deforcement. Blackstone. Ouster le main. Etym: [Ouster + F. la main the hand, L. manus.] (Law) A delivery of lands out of the hands of a guardian, or out of the king's hands, or a judgement…

Fig.: To gain by mean arts, by intrusion, or hanging on; as, an idler sponges on his neighbor. E. Eggleston. The fly is an intruder, and a common smell-feast, that sponges upon other people's trenchers. L'Estrange.

To protect from the intrusion of the uninitiated; as, to tile a Masonic lodge.

An intrusion of one vegetable cell into the cavity of another, sometimes forming there an irregular mass of cells. Goodale.