Meaning of the word "a pair of" in English

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

a pair of

US /ə pɛr əv/
UK /ə pɛər əv/

Phrase

two things of the same type that are used together, or two things of the same type that are not usually separated

Example:
I need a pair of scissors.
She bought a new pair of shoes.