Lath.—A strip approximately one and one-half inches wide, three-eighths of an inch thick, and four feet long. Nailed across the walls and ceiling of a room upon which to place plaster.

Locking-up.—The process of tightening a form of type so as to hold it together (see description, page [136]).

Longitudinal Section. See [Section].

Making-up.—Painting the face as a disguise or to show expression marks.

Mitre.—The end of a board is mitred when cut off at an angle of forty-five degrees. Although applied to other angles, the term mitre is understood to mean a forty-five degree cut, unless otherwise stated (see Bench-hook, [Fig. 11], and Mitre-box, [Fig. 12], Chapter I; also descriptions of their use).

Mitred Try-square.—Used for laying off mitres (see [Figs. 38 and 39], Chapter II).

Mortise.—A slot or cavity made in a piece of wood to receive the end of another piece. E. G. See [Figs. 208, 210, 211], Chapter XV. Bevelled Mortise.—A mortise with its bottom or sides bevelled. E. G. See [Fig. 10], Chapter I.

Mould.—Something which serves to give the proper form to an object. E. G. The mould for shaping a canvas canoe, [Fig. 204], Chapter XV.

Newel Post. See [Balustrade].

Notch.—A hollow cut in anything; a nick; an indentation. To Notch.—To cut in small hollows, as to notch a stick. E. G. See [Fig. 191], Chapter XIV, and [Fig. 392], Chapter XXVII.