See also: about-turn
- about face (US)
- (Britain, military) Of a formation of soldiers, to reverse the direction in which they are facing; an about face. [First attested in the mid 20th century.]
- (Britain, figuratively, idiomatic) A complete change of opinion, direction, etc. [First attested in the mid 20th century.]
change of opinion
- (intransitive, military) To turn to face the opposite direction. [First attested in the mid 20th century.]
- “about turn” in Lesley Brown, editor-in-chief; William R. Trumble and Angus Stevenson, editors, The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford; New York, N.Y.: Oxford University Press, 2002, ↑ISBN, page 7.