What does accord mean?
The definition of accord
Ac*cord”, n.
Etym: [OE. acord, accord, OF. acort, acorde, F. accord, fr. OF. acorder, F. accorder. See Accord, v. t.]

1 Agreement or concurrence of opinion, will, or action; harmony of mind; consent; assent. A mediator of an accord and peace between them. Bacon. These all continued with one accord in prayer. Acts i. 14.
2 Harmony of sounds; agreement in pitch and tone; concord; as, the accord of tones. Those sweet accords are even the angels’ lays. Sir J. Davies.
3 Agreement, harmony, or just correspondence of things; as, the accord of light and shade in painting.
4 Voluntary or spontaneous motion or impulse to act; — preceded by own; as, of one’s own accord. That which groweth of its own accord of thy harvest thou shalt not reap. Lev. xxv. 5. Of his own accord he went unto you. 2 Cor. vii. 17.
5 (Law)
An agreement between parties in controversy, by which satisfaction for an injury is stipulated, and which, when executed, bars a suit. Blackstone. With one accord, with unanimity. They rushed with one accord into the theater. Acts xix. 29.

Ac*cord”, v. t.
[imp. & p. p. Accorded; p. pr. & vb. n. According.]
Etym: [OE. acorden, accorden, OF. acorder, F. accorder, fr. LL. accordare; L. ad + cor, cordis, heart. Cf. Concord, Discord, and see Heart.]

1 To make to agree or correspond; to suit one thing to another; to adjust; — followed by to. [R.] Her hands accorded the lute’s music to the voice. Sidney.
2 To bring to an agreement, as persons; to reconcile; to settle, adjust, harmonize, or compose, as things; as, to accord suits or controversies. When they were accorded from the fray. Spenser. All which particulars, being confessedly knotty and difficult can never be accorded but by a competent stock of critical learning. South.
3 To grant as suitable or proper; to concede; to award; as, to accord to one due praise. “According his desire.” Spenser.

Ac*cord”, v. i.
1 To agree; to correspond; to be in harmony; — followed by with, formerly also by to; as, his disposition accords with his looks. My heart accordeth with my tongue. Shak. Thy actions to thy words accord. Milton.
2 To agree in pitch and tone.