A duck, Gavia adamsii, found in the arctic and subarctic.

(Canada, US) The black-throated diver bird.

(slang) A lunatic asylum.

(idiomatic) To deal with the minor consequences of a previous action; to tidy up, finish, or complete.

(informal) A brief examination, a peek or glance. / A person who serves as lookout or scout. / An audition attended by an actor or model so that they can be visually appraised.

To make a quick inspection, especially as a lookout or scout.

(idiomatic) Not incarcerated or in captivity; not under control. / (slang, archaic) Out on a spree, or in search of adventure.

(electronics) an electronic circuit used to lock an oscillator in phase with an arbitrary input signal

An extra length of wire or cable included in an electrical or electromechanical assembly for neatness, accessibility, freedom of movement or future serviceability.

(intransitive, idiomatic) To be vigilant and aware often as an imperative to alert a person to danger. / (transitive, idiomatic) To find by looking: to hunt out. / To be facing (used with "on").