[arm in arm] {adv. phr.} With your arm under or around […]

[armed to the teeth] {adj. phr.} Having all needed weapons; fully […]

[around one's ears] See: [ABOUT ONE'S EARS].

[around the clock] also [the clock around] {adv. phr.} For 24 […]

[around the corner] {adv. phr.} Soon to come or happen; close […]

[arrest] See: [UNDER ARREST].

[arse] {n.} 1. The buttocks. 2. Someone who acts in a […]

[arse about] {n.} Mess around or waste time (17th C).

[arse about face] Back to front.

[arse bandit] {adj.} homosexual (offensive, derogatory).