n.
Pronunciation: ' tün, ' tyün
Function: noun
Etymology: Middle English, from Anglo-French tun, tuen tone
Date: 14th century
1 a archaic : quality of sound : TONE b : manner of utterance : INTONATION specifically : phonetic modulation
2 a : a pleasing succession of musical tones : MELODY b : a dominant theme
3 : correct musical pitch or consonance ― used chiefly in the phrases in tune and out of tune
4 a archaic : a frame of mind : MOOD b : AGREEMENT , HARMONY <in tune with the times> c : general attitude : APPROACH <changed his tune when the going got rough>
5 : AMOUNT , EXTENT <custom-made to the tune of $40 to $50 apiece ― American Fabrics >