Meaning of the word "put on weight" in English

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

put on weight

US /pʊt ɑn weɪt/
UK /pʊt ɒn weɪt/

Idiom

to become heavier; to gain weight

Example:
I always put on weight during the holidays.
She's been trying to avoid sugary foods so she doesn't put on weight.