All 4 Uses

chord
in
Bridge to Terabithia
(Auto-generated)

The syllables rolled through his head like a ripple of guitar chords.†
p. 20.6 *
Miss Edmunds fiddled a minute with her guitar, talking as she tightened the strings to the jingling of her bracelets and the thrumming of chords.†
p. 45.1
Miss Edmunds picked a few odd chords and then began to sing, more quietly than usual for that particular song:†
p. 45.8
It was the stillness that had always frightened him before, but this time it was like the moment after Miss Edmunds finished a song, just after the chords hummed down to silence.†
p. 70.9

Definitions:

(1) (chord as in: piano chord)
a combination of three or more notes that blend harmoniously when sounded together; or figuratively to express harmonious blending or clashing
(2) (meaning too rare to warrant focus)