intransitive verb
Definition: To adjust or adapt to a particular situation or condition.
Example: The musicians will tune before the concert starts.
noun
Definition: A melody or song that is often simple and easy to remember.
Example: She hummed a cheerful tune while she worked in the garden.
transitive verb
Definition: To adjust something, like a musical instrument or a device, so that it works correctly or sounds good.
Example: She needs to tune her guitar before the concert.