Alternative form of on watch.

(chiefly US, idiomatic) During the period of time when one is in a position of authority or responsibility.

Assumed or borne, as a responsibility or something blameworthy. / Assigned by government authorities as a bounty or penalty.

present participle of pack on

Third-person singular simple present indicative form of pack on

A form of sex education that advocates only abstinence as a means to avoid pregnancy and sexually transmitted diseases.

Recorded using video- or sound-recording technology.

simple past tense and past participle of pack on

To watch secretly or covertly; to surveil.

To be confident in. / To be dependent upon.