Meaning of the word "to and fro" in English

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

to and fro

US /tuː ænd froʊ/
UK /tuː ænd froʊ/

Adverb

back and forth

Example:
The pendulum swung to and fro.
She paced to and fro, deep in thought.
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