Longer le bois, Fr. To march by the side of a wood.

Faire une Longue marche, Fr. To make a long march.

Epee de longueur, Fr. A sword of a proper length to serve as a weapon of defence. This term is used to distinguish it from the short swords, which are worn for mere dress or parade.

Longs-costes, Fr. Those sides are so called, which belong to places that are irregularly fortified, and contain indiscriminately eighty toises and upwards. In which cases they are usually strengthened by a flat bastion in the centre, or by several flat bastions, which are constructed, according to the extent of the sides, at intermediate distances.

LONGIMETRY, (Longimetrie, Fr.) The art of measuring lands and distances, whether the extent or space be accessible as in a road, or inaccessible as in a river, or branch of the sea.

LONGITUDE of the earth, denotes its extent from west to east, according to the direction of the equator.

Longitude of a place, in geography, its distance from some first meridian, or an arch of the equator intercepted between the meridian of the place, and the first meridian. See [Geography].

Longitude of motion, according to some philosophers, is the distance which the centre of any moving body runs through, as it moves on in a right line. See [Motion].

LONGRINES, Fr. Pieces of wood or branches which are laid along the extent of a sluice, and make part of its grating.

To LOOK, a word frequently used in the British service to express the good or bad appearance of a corps, &c. viz. such a regiment looks well or ill under arms.