As a group (2,5)
'as a group' is the definition.
(synonyms)
This is all the clue.
(Other definitions for en masse that I've seen before include "All together as a group" , "All together (Fr.)" , "as a bunch" , "All together - in France (2.5)" , "in concert" .)
(Another definition for enmasse that I've seen is " All together".)
'as a group' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for together that I've seen before include "Got there (anag.)" , "Not apart" , "at the same time" , "In each other's company" , "Collectively" .)