Oxford Advanced American Dictionary
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chord
noun
arpeggio
noun
Definition of
chord noun
from the Oxford Advanced Learner's Dictionary
chord
noun
kɔːd
kɔːrd
1
(
music
)
two or more notes played together
2
(
mathematics
)
a straight line that joins two points on a curve
see also
vocal cords
Idioms
strike/touch a chord (with somebody)
to say or do something that makes people feel sympathy or enthusiasm
The speaker had obviously struck a chord with his audience.