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n. A framed opening, as in a wall, door, or window, fitted with fixed or movable horizontal slats for admitting air and light and shedding rain.

n. One of the slats used in such an opening.

n. One of the narrow openings formed by such slats.

n. A slatted, ventilating opening, as on the hood of a motor vehicle.

n. A lantern-shaped cupola on the roof of a medieval building for admitting air and providing for the escape of smoke.

n. A slatted opening in a wall, door or window.

n. Any of a series of narrow openings framed at their longer edges with slanting, overlapping fins or slats, adjustable for admitting light and air while shutting out rain.

n. A fin or slat framing such an opening.

n. A ventilating turret or lantern, as on the roof of a medieval building.

n. Any of a system of slits, as in the hood of an automobile, for ventilation.

n. A small lantern. See lantern, 2 (a).

n. Same as louver boards, below.

n. A set of slats resembling louver boards, arranged in a vertical row and attached at each slat end to a frame inserted in or part of a door or window; the slats may be made of wood, plastic, or metal, and the angle of inclination of the slats may be adjustable simultaneously, to allow more or less light or air into the enclosure.

n. To supply with louvers.

n. A form of lantern or turret rising from the roof of a hall or other apartment in medieval domestic edifices, at first open at the sides.

n. A chimney-flue.

n. In architecture, a long window-like opening closed with broad slats sloping downward and outward. See abat-vent.

n. The aperture in a dove-cote at which the bird enters; also, the dove-cote itself.

n. one of a set of parallel slats in a door or window to admit air and reject rain

"All air and exhaust outlets are installed beneath the sash, letting air run outside through the terrace louver."

louvre    louver boarding   

spline    slat   

jalousie   

lantern    lover    loover    lovery    luffer   

louvered    louvred   

laced-up    helpless-looking    rabbet    lengthwise    dark-rimmed    armhole    spectrograph    inch-wide    thigh-length    quarter-inch