hour hand

The weight (A), of 500 pounds, is wound up by a crank (the key) at P. O is the hour-hand.

A clock was hanging in the delicatessen-store window, and the hour-hand stood at nine.

To pit the medical school against the nurse-training school is to pit the hour-hand against the minute-hand.

Mrs. Greyfield smiled and sighed, and remarked upon the fact that the hour-hand of the clock pointed to two in the morning.