1. [noun] (heading) A seat.
2. [noun] (obsolete) A seat, especially as used by someone of importance or authority.
3. [noun] (obsolete) An ecclesiastical see.
4. [noun] (obsolete) The place where one has his seat; a home, residence, domain, empire.
5. [noun] The seat of a heron while looking out for prey; a flock of heron.
6. [noun] (obsolete) A privy or lavatory.
7. [noun] (obsolete) The anus; the rectum.
8. [noun] (obsolete) Excrements, stool, fecal matter.
9. [noun] (obsolete) Rank; grade; station; estimation.
10. [noun] (obsolete) The floor of a glass-furnace.
11. [noun] (obsolete) A workman's bench.
12. [noun] (heading) Military action.
13. [noun] A prolonged military assault or a blockade of a city or fortress with the intent of conquering by force or attrition.
14. [noun] (US) A period of struggle or difficulty, especially from illness.
15. [noun] (figuratively) A prolonged assault or attack.
16. [verb] (transitive) To assault a blockade of a city or fortress with the intent of conquering by force or attrition; to besiege.
17. [noun] The action of an armed force that surrounds a fortified place and isolates it while continuing to attack.