Webster's Revised Unabridged Dictionary · 1913

Seat

Seat (sēt) , noun

[Old English sete, Icelandic saeti; akin to Swedish sate, Danish saede, Middle High German sāze, Anglo-Saxon set, setl, and English sit. r154. See Sit, and compare Settle, n.]

1.
The place or thing upon which one sits; hence; anything made to be sat in or upon, as a chair, bench, stool, saddle, or the like.
And Jesus... overthrew the tables of the money changers, and the seats of them that sold doves. — Matt. xxi. 12
2.
The place occupied by anything, or where any person or thing is situated, resides, or abides; a site; an abode, a station; a post; a situation.
Where thou dwellest, even where Satan's seat is. — Rev. ii. 13
He that builds a fair house upon an ill seat committeth himself to prison. — Bacon
A seat of plenty, content, and tranquillity. — Macaulay
3.
That part of a thing on which a person sits; as, the seat of a chair or saddle; the seat of a pair of pantaloons.
4.
A sitting; a right to sit; regular or appropriate place of sitting; as, a seat in a church; a seat for the season in the opera house.
5.
Posture, or way of sitting, on horseback.
She had so good a seat and hand she might be trusted with any mount. — G. Eliot
6.
(Machinery) A part or surface on which another part or surface rests; as, a valve seat.
Collocations (1)
Seat worm (Zoology) , the pinworm.

Seat , transitive verb

1.
To place on a seat; to cause to sit down; as, to seat one's self.
The guests were no sooner seated but they entered into a warm debate. — Arbuthnot
2.
To cause to occupy a post, site, situation, or the like; to station; to establish; to fix; to settle.
Thus high... is King Richard seated. — Shakespeare
They had seated themselves in New Guiana. — Sir W. Raleigh
3.
To assign a seat to, or the seats of; to give a sitting to; as, to seat a church, or persons in a church.
4.
To fix; to set firm.
From their foundations, loosening to and fro, They plucked the seated hills. — Milton
5.
To settle; to plant with inhabitants; as to seat a country. [Obsolete] — W. Stith
6.
To put a seat or bottom in; as, to seat a chair.

Seat , intransitive verb

To rest; to lie down. [Obsolete] — Spenser