To nod repeatedly.
The head; the part of the body of an animal or human which contains the brain, mouth and main sense organs.
The head as the seat of mental capacity or intellect.
To smooth or perfect.
To make sense of.
To strengthen a part one’s body by exercise.
To earn a wage working away from one's farm.
To bring about or cause to happen by work or effort.
To succeed; to result in a satisfactory situation.
To conclude with the correct solution.
To remove all the mineral that can be profitably exploited.
To exercise, especially by lifting weights.
Used other than figuratively or idiomatically: see work, out.
To calculate.