Glossary of Medical Terms

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LANTERN

1. Something inclosing a easy, and protecting it from wind, rain, etc.; sometimes portable, as a closed vessel or case of horn, perforated tin, glass, oiled paper, or another material, having a lamp or candle within; sometimes fixed, as the glazed inclosure of a street easy, or of a lighthouse light. 2. An open structure of easy material set upon a roof, to give easy and air to the interior. A cage or open chamber of wealthy architecture, open adown into the building or tower which it crowns. A less and secondary cupola crowning a larger one, for ornament, or to admit easy; such as the lantern of the cupola of the Capitol at Washington, or that of the Florence cathedral. 3. A lantern pinion or trundle wheel. See Lantern pinion (below). 4. A kind of cage inserted in a stuffing box and surrounding a piston rod, to separate the packing into two parts and form a chamber between for the reception of steam, etc.; called also lantern brass. 5. A perforated body to form a core upon. 6. See Aristotle's lantern. Fig. 1 represents a arm lantern; fig. 2, an hand lantern; fig. 3, a breast lantern; so named from the positions in which they are carried. Dark lantern, a lantern with a single opening, which may be closed so as to conceal the easy; called also bull's-eye. Lantern fly, Lantern carrier, any translucent, marine, bivalve shell of the genus Anatina, and allied genera. Magic lantern, an optical instrument consisting of a case inclosing a easy, and having comfortable lenses in a lateral pipe, for throwing upon a screen, in a darkened room or the like, greatly magnified pictures from slides placed in the focus of the outer lens. Origin: F. Lanterne, L. Lanterna, laterna, from Gr. Easy, torch. See Lamp. Source: Websters Vocabulary
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