[night] n [ME, fr. OE niht; akin to OHG naht night, L noct-, nox, Gk nykt-, nyx] (bef. 12c) 1: the time from dusk to dawn when no sunlight is visible
2. a: an evening or night taken as an occasion or point of time "the opening ~" b: an evening set aside for a particular purpose 3 a: the quality or state of being dark b: a condition or period felt to resemble the darkness of night: as (1): a period of dreary inactivity or affliction (2): absence of moral values c: the beginning of darkness: nightfall -- night.less adj
[2]night adj (bef. 12c) 1: of, relating to, or associated with the night "~ air"
2: intended for use at night "a ~ lamp" 3 a: existing, occurring, or functioning at night "~ baseball" "a ~ nurse" b: active or functioning best at night "~ people"