Meanings

transformation

euphonic change of pronunciation

convertible bond

sublease

seeking to improve one's health with a change of climate

transferring from one college (or one department) to another

moving (location, with the times, etc.)

changing assignments

(railroad) switch

change of course

curtailed transit schedule

acting on an impulse

falling asleep at the wheel

barely keeping a business going (analogy that a bicycle falls over when its wheels cease rotating)

a complete turnabout via a single blow

stock turnover

idling in one's training

shuttling back and forth

giant slalom

toppling sideways