[ahn mas, en; Fr. ahn mas] 
| in a mass; all together; as a group: The people rushed to the gate en masse. |
| en masse (ŏn mās') adv. In one group or body; all together: The protesters marched en masse to the capitol. [French : en, in + masse, mass.] |
| Main Entry: | en masse1 |
| Part of Speech: | adv |
| Definition: | in a mass; all together; as a whole |
| Etymology: | French |
| Main Entry: | en masse2 |
| Part of Speech: | adv |
| Definition: | in general |
| Etymology: | French |
en masse
In one group or body; all together. For example, The activists marched en masse to the capitol. This French term, with exactly the same meaning, was adopted into English about 1800.