Also 9 en mass. [Fr.] In a mass or body; bodily, all at once.
1802. Playfair, Illustr. Hutton. The., 334. The transition from gneiss to granite en mass, is not uncommon.
1815. W. H. Ireland, Scribbleomania, 53. The public en masse Hath affirmd that these Lays other efforts surpass.
1848. Mrs. Gaskell, M. Barton, I. v. 667. The things were then lifted en masse to the dresser.