Entanglement. Abatis, so called, when made by cutting only partly through the trunks, and pulling the upper parts to the ground, where they are picketed.
Entanglement, Wire. Formed by twisting wire round stout stakes or trees 7 feet apart. The wires are placed about a foot or 18 inches above the ground. The trees-pickets or trees are in two or three rows, arranged checkerwise, the wires crossing diagonally.
Enter, To. To engage in; to enlist in; as, to enter an army.
Enterprise. An undertaking attended with some hazard and danger.
Enterpriser. An officer who undertakes or engages in any important and hazardous design.
Entire, or Rank Entire. A line of men in one continued row by the side of each other. When behind each other, they are said to be in file.
Entonnoir (Fr.). The cavity or hole which remains after the explosion of a mine. It likewise meant the tin case or port-feu which is used to convey the priming powder into the vent of a cannon.
Entrench, To. Is to construct hastily thrown-up field-works for the purpose of strengthening a force in position. See [Intrench].
Entrepôts. Magazines and places appropriated in garrison towns for the reception of stores, etc.
Envelope. In fortification, a work of earth, sometimes in the form of a single parapet, and at others like a small rampart; it is raised sometimes in the ditch, and sometimes beyond it. Envelopes are occasionally en zigzag, to inclose a weak ground, where that is practicable, with single lines. Envelopes, in a ditch, are sometimes called sillons, contregardes, conserves, lunettes, etc.