twos
nounUK /tuːz/
US /tuz/
The number 2 written more than once, or things that come in pairs.
The little girl lined up her shoes in twos.
OTHER MEANINGS
2. The age of two years old.
The toddler is in his twos and learning new words every day.
3. A group of two people or things.
The children walked to the park in twos.
4. The second level or grade in some school systems.
She teaches the twos class at the preschool.