What is the meaning of Rouse?

An arousal.

The sounding of a bugle in the morning after reveille, to signal that soldiers are to rise from bed, often the rouse.

To wake (someone) from sleep, or from apathy.

To be awoken from sleep, or from apathy.

To cause, stir up, excite (a feeling, thought, etc.).

To provoke (someone) to action or anger.

To cause to start from a covert or lurking place.

To pull by main strength; to haul.

To raise; to make erect.

To tell off; to criticise.

An official ceremony over drinks.

A carousal; a festival; a drinking frolic.

Wine or other liquor considered an inducement to mirth or drunkenness; a full glass; a bumper.

inflection of rousar:

1. first/third-person singular present subjunctive
2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

Source: wiktionary.org