in a body
US /ɪn ə ˈbɑː.di/
UK /ɪn ə ˈbɑː.di/

1.
en masa, todos juntos
all together as a group
:
•
The students decided to protest in a body.
Los estudiantes decidieron protestar en masa.
•
They arrived at the meeting in a body, ready to present their demands.
Llegaron a la reunión en masa, listos para presentar sus demandas.