LABORATORY n.
The workroom of a chemist; also, a place devoted to experiments in any branch of natural science; as, a chemical, physical, or biological laboratory. Hence, by extension, a place where something is prepared, or some operation is performed; as, the liver is the laboratory of the bile.
LABOR DAY n.
st Monday of September, set aside as a legal holiday, in honor of, or in the interest of, workingmen as a class. Also, a similar holiday in Canada, Australia, etc.
LABORING a. 2 definitions
That labors; performing labor; esp., performing coarse, heavy work, not requiring skill also, set apart for labor; as, laboring days. The sleep of a laboring man is sweet. eccl. v. 12.
LAP v. 23 definitions
To lay together one over another, as fleeces or slivers for further working. To lap boards, shingles, etc., to lay one partly over another. -- To lap timbers, to unite them in such a way as to preserve the same breadth and depth throughout, as by scarfing. Weale.
LAPIDARY n. 4 definitions
A virtuoso skilled in gems or precious stones; a connoisseur of lapidary work. Lapidary's lathe, mill, or wheel, a machine consisting essentially of a revolving lap on a vertical spindle, used by a lapidary for grinding and polishing.
LATHE n. 4 definitions
boring metals, cutting screws, etc. -- Foot lathe, a lathe which is driven by a treadle worked by the foot. -- Geometric lathe. See under Geometric -- Hand lathe, a lathe operated by hand; a power turning lathe without an automatic feed for the tool. -- Slide lathe, an engine lathe. -- Throw lathe, a small lathe w…
LAW n. 17 definitions
In arts, works, games, etc.: The rules of construction, or of procedure, conforming to the conditions of success; a principle, maxim; or usage; as, the laws of poetry, of architecture, of courtesy, or of whist.