A going of the rounds along the chain of sentinels and between the posts, by a guard, usually consisting of three or four men, to insure greater security from attacks on the outposts.
User Defined Definitions
"a detachment used for security or reconnaissance"
"the activity of going around or through an area at regular intervals for security purposes"
"a group that goes through a region at regular intervals for the purpose of security"
"maintain the security of by carrying out a patrol"