a curve or turn

curve

to leave a person when he or she is in difficulties and needs help; a sudden change of weight to one side; sudden roll or pitch

move toward with jerk

to cause (a ray of light) to bend where it enters water, glass etc

bend

a change of place, direction or character; a change of one thing for another; a mechanism for changing gears in a vehicle; a group of workers that starts work as another group finishes; period for which such a group works

switch, fluctuation

a small, flat-headed nail; a long, loose stitch used to fasten pieces of cloth together loosely or temporarily; a sailing-ship's direction described according to the direction of the wind and the position of the sails

course of movement

(to cause something) to move round a point; (to cause something) to change in nature, quality, condition, shape etc; to reach and pass (the age, time etc mentioned)

revolution, curving

a place where a road turns, especially where one road branches off from another

revolve, curve

to open the mouth wide and breathe in, as when sleepy or bored

open mouth wide, usually sign of