En passant.—By the way; in passing.
En rapport.—In communication.
En revanche.—In return.
En route.—On the way.
Enceinte.—Pregnant.
Enfans perdus.—Lost children; the forlorn hope.
Ennui.—Weariness; lassitude.
Ense petit placidam sub libertate quietem.—By his sword he seeks the calm repose of liberty.
Ensemble.—The whole taken together.
Entente cordiale.—The cordial understanding between two countries.