What is "sweep of the tiller"

Sweep \Sweep\, n.

1. The act of sweeping.

2. The compass or range of a stroke; as, a long sweep.

3. The compass of any turning body or of any motion; as, the sweep of a door; the sweep of the eye.

4. The compass of anything flowing or brushing; as, the flood carried away everything within its sweep.

5. Violent and general destruction; as, the sweep of an epidemic disease.

6. Direction and extent of any motion not rectlinear; as, the sweep of a compass.

7. Direction or departure of a curve, a road, an arch, or the like, away from a rectlinear line.

   The road which makes a small sweep.
   --Sir W. Scott.

8. One who sweeps; a sweeper; specifically, a chimney sweeper.

9. (Founding) A movable templet for making molds, in loam molding.

10. (Naut.)

    1. The mold of a ship when she begins to curve in at the rungheads; any part of a ship shaped in a segment of a circle.

    2. A large oar used in small vessels, partly to propel them and partly to steer them.

11. (Refining) The almond furnace. [Obs.]

12. A long pole, or piece of timber, moved on a horizontal fulcrum fixed to a tall post and used to raise and lower a bucket in a well for drawing water. [Variously written swape, sweep, swepe, and swipe.]

13. (Card Playing) In the game of casino, a pairing or combining of all the cards on the board, and so removing them all; in whist, the winning of all the tricks (thirteen) in a hand; a slam.

14. pl. The sweeping of workshops where precious metals are worked, containing filings, etc.

    Sweep net, a net for drawing over a large compass.

    Sweep of the tiller (Naut.), a circular frame on which the tiller traverses.