Ruler.

管辖者。

An official elected or appointed to act as ruler, chief executive, or nominal head of a political unit.

行政单位的首长。

The highest executive official in any State.

【美】州长。

In the British Empire, an official representing the crown in a dominion or dependency.

(英国各领地或属地的)总督。

Any of several automatic devices for regulating the speed of an engine.

【机】引擎调速器。

Anyone regarded as having authority; father.

【俚】有权威之人；父亲。