point duty 
noun [mass noun] British
The duties of a police officer or other official stationed at a junction to control traffic: if necessary extra officers would be placed on point duty...
- The policeman on point duty at the junction of Nessgate and Spurriergate in York was expected to have grown accustomed to strange sights, especially during the Festival.
- I remember when there was a police officer on point duty at the top of Finkle Street.
- In real Test matches, teams tend to defend rather than wave the attacker through like a policeman on point duty, which is what happened in the Currie Cup final.
- bejewelled
- be joined at the hip
- be jumping up and down
- be (just) what the doctor ordered
- Bekaa
- be keyed up
- bel
- belabor
- belabour
- Bel Air
- Bel and the Dragon
- Belarus
- Belarusian
- belated
- belatedly
- belatedness
- Belau
- Belauan
- be laughing all the way to the bank
- belay
- Belaya River
- belayer
- belaying pin
- bel canto
- belch