Network operating / operations center. / (electronics) Initialism of network on a chip. / (espionage) non-official cover / (UK politics) no overall control

plural of NOC

(of a person, creature, group, or species) Primarily active during the night. / (of an occurrence) Taking place at night, nightly.

A person or creature that is active at night. / (historical) A device for telling the time at night, rather like a sundial but read according to the stars.

A work of art relating or dedicated to the night. / (music) A dreamlike or pensive composition, usually for the piano.

(physiology) Relating to the perception or sensation of pain.

(rare) Causing injury; harmful. / (obsolete) guilty; not innocent

(obsolete) Guilty person.

Either of the two grooves in a bow that hold the bowstring. / (archery) The notch at the rear of an arrow that fits on the bowstring. / (nautical) The upper fore corner of a boom sail or trysail.

(transitive) To fit an arrow against the bowstring of a bow or crossbow. (See also notch (verb).) / (transitive) To cut a nock in (usually in an arrow's base or the tips of a bow).