tune

²tune

verb

tunedtun·ing

Definition of TUNE

transitive verb

1

: to adjust in musical pitch or cause to be in tune <tuned her guitar>

2

a : to bring into harmony : attune b : to adjust for precise functioning —often used with up <tune up an engine> c : to make more precise, intense, or effective

3

: to adjust with respect to resonance at a particular frequency: as a : to adjust (a radio or television receiver) to respond to waves of a particular frequency —often used with in b : to establish radio contact with <tune in a directional beacon>

4

: to adjust the frequency of the output of (a device) to a chosen frequency or range of frequencies; also : to alter the frequency of (radiation)

intransitive verb

1

: to become attuned

2

: to adjust a radio or television receiver to respond to waves of a particular frequency

Examples of TUNE

1. The piano needs to be tuned.
2. We tuned our bikes before the road trip.
3. The mechanic tuned the engine.
4. The copilot tuned the radio to hear the message.

First Known Use of TUNE

15th century