Webster's Revised Unabridged Dictionary · 1913

Discord

Discord , noun

[Old English discord, descord, Old French discorde, descorde, French discorde, from Latin discordia, from discors, -cordis, discordant, disagreeable; dis- + cor, cordis, heart; compare French discord, n., and Old French descorder, discorder, French discorder, to discord, Latin discordare, from discors. See Heart, and compare Discord, v. i.]

1.
Want of concord or agreement; absence of unity or harmony in sentiment or action; variance leading to contention and strife; disagreement; -- applied to persons or to things, and to thoughts, feelings, or purposes.
A false witness that speaketh lies, and he that soweth discord among brethren. — Bible (KJV) - Proverb vi. 19
Peace to arise out of universal discord fomented in all parts of the empire. — Burke
2.
(Music) Union of musical sounds which strikes the ear harshly or disagreeably, owing to the incommensurability of the vibrations which they produce; want of musical concord or harmony; a chord demanding resolution into a concord.
For a discord itself is but a harshness of divers sounds meeting. — Bacon
Collocations (1)
Apple of discord , See under Apple.

Discord , intransitive verb

[Old English discorden, descorden, from the French. See Discord, n.]

To disagree; to be discordant; to jar; to clash; not to suit. [Obsolete]
The one discording with the other. — Bacon