8. The step of a ladder; a rundle or rung; also, a crosspiece which
joins and braces the legs of a chair.
All the rounds like Jacob's ladder rise.
Dryden.
9. A course ending where it began; a circuit; a beat; especially, one
freguently or regulary traversed; also, the act of traversing a
circuit; as, a watchman's round; the rounds of the postman.
10. (Mil.) (a) A walk performed by a guard or an officer round the
rampart of a garrison, or among sentinels, to see that the sentinels
are faithful and all things safe; also, the guard or officer, with his
attendants, who performs this duty; -- usually in the plural. (b) A
general discharge of firearms by a body of troops in which each soldier
fires once. (c) Ammunition for discharging a piece or pieces once; as,
twenty rounds of ammunition were given out.
11. (Mus.) A short vocal piece, resembling a catch in which three or
four voices follow each other round in a species of canon in the
unison.
12. The time during which prize fighters or boxers are in actual
contest without an intermission, as prescribed by their rules; a bout.
13. A brewer's vessel in which the fermentation is concluded, the yeast
escaping through the bunghole.