Meaning of ROUND in English
( n. )
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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012