I. ˈnäkˌtərn noun
( -s )
Etymology: Middle English nocturne, from Middle French, from Medieval Latin nocturna, from feminine of Latin nocturnus nocturnal
Roman Catholicism : one of the three principal divisions of the office of matins, formerly sung or recited between midnight and 4 o'clock in the morning, but now often on the preceding afternoon or evening
II. (ˈ) ̷ ̷| ̷ ̷ adjective
Etymology: Middle French or Latin; Middle French nocturne, from Latin nocturnus
archaic : nocturnal