Meaning of the word "to spare" in English

What does "to spare" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

to spare

US /tə spɛr/
UK /tə spɛə/

Phrase

available to be used; extra

Example:
Do you have any time to spare?
I have a few dollars to spare if you need them.