a circular segment of a curve

the act of changing or reversing the direction of the course

(game) the activity of doing something in an agreed succession

an unforeseen development

a movement in a new direction

the act of turning away or in the opposite direction

turning or twisting around (in place)

a time period for working (after which you will be relieved by someone else)

(sports) a division of a game during which one team is on the offensive

a short performance that is part of a longer program

a favor for someone

taking a short walk out and back