NIGHT

I. noun Etymology: Middle English, from Old English niht; akin to Old High German naht ~, Latin noct-, nox, Greek nykt-, nyx Date: before 12th century the time from dusk to dawn when no sunlight is visible, 2. an evening or ~ taken as an occasion or point of time , an evening set aside for a particular purpose, 3. the quality or state of being dark, a condition or period felt to resemble the darkness of ~: as, a period of dreary inactivity or affliction, absence of moral values, the beginning of darkness ; ~fall , ~less adjective II. adjective Date: before 12th century of, relating to, or associated with the ~ , intended for use at ~ , 3. existing, occurring, or functioning at ~ , active or functioning best at ~