groupofthirteen
nounUK /ˈɡruːp əv ˈθɜːˈtiːn/
US /ˈɡruːp əv ˈθɜːrˈtiːn/
A group of thirteen is a bunch of thirteen people or things together.
The teacher split the class into a group of thirteen for the game.
OTHER MEANINGS
2. A set or collection containing exactly thirteen items.
She arranged the cookies in a group of thirteen on the plate.
3. A team or club made up of thirteen members.
The group of thirteen met every Friday to plan the festival.
4. A musical or artistic ensemble with thirteen performers.
The group of thirteen played a lively tune at the concert.