dis ‧ cord /ˈdɪskɔːd $ -ɔːrd/ BrE AmE noun
[ Date: 1200-1300 ; Language: Old French ; Origin: discorde , from Latin discors 'heart apart, disagreement' ]
1 . [uncountable] formal disagreement or arguing between people:
marital discord
discord within NATO
2 . [uncountable and countable] an unpleasant sound made by a group of musical notes that do not go together well ⇨ harmony