Meaning of the word "odd number" in English

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

odd number

US /ˌɑːd ˈnʌm.bər/
UK /ˌɒd ˈnʌm.bər/

Noun

a whole number that cannot be divided exactly by two

Example:
Three, five, and seven are all odd numbers.
The sum of two odd numbers is always an even number.