Rul"er (?), n.

1.

One who rules; one who exercises sway or authority; a governor.

And he made him ruler over all the land. Gen. xii. 43.

A prince and ruler of the land. Shak.

2.

A straight or curved strip of wood, metal, etc., with a smooth edge, used for guiding a pen or pencil in drawing lines. Cf. Rule, n., 7 (a)<-- usu. marked with graduations so that it can be used to measure distances -->.

Parallel ruler. See under Parallel.

 

© Webster 1913.

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