1. scout
2. sentinel
Kanji
1. scout
2. sentinel
1. patrol (with ships or aircraft); patrolling
1. patrol plane
1. patrol boat
1. sentry
1. shawm-like instrument played by street vendors (sometimes referred to as a flute)
1. military patrol boat
1. sentry post; guard post
1. sentry box
1. suona (Chinese shawm)