Patrol \Pa*trol"\, v. i. [imp. & p. p. {Patrolled}; p. pr. & vb.
n. {Patrolling}.] [F. patrouiller, O. & Prov. F. patrouiller
to paddle, paw about, patrol, fr. patte a paw; cf. D. poot
paw, G. pfote, and E. pat, v.]
To go the rounds along a chain of sentinels; to traverse a
police district or beat.
[1913 Webster]