Lantern

Lantern

1. Something inclosing a light, and protecting it from wind, rain, etc.; sometimes portable, as a closed vessel or case of horn, perforated tin, glass, oiled paper, or other material, having a lamp or candle within; sometimes fixed, as the glazed inclosure of a street light, or of a lighthouse light.

2. An open structure of light material set upon a roof, to give light and air to the interior. A cage or open chamber of rich architecture, open below into the building or tower which it crowns.

a smaller and secondary cupola crowning a larger one, for ornament, or to admit light; such as the lantern of the cupola of the Capitol at Washington, or that of the Florence cathedral.

3. (Science: machinery) a lantern pinion or trundle wheel. See lantern pinion (below).

4. (Science: engineering) 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 barrel to form a core upon.

6. (Science: zoology) see aristotles lantern.

fig. 1 represents a hand lantern; fig. 2, an arm lantern; fig. 3, a breast lantern; so named from the positions in which they are carried. Dark lantern, a lantern 939

with a single opening, which may be closed so as to conceal the light; called also bulls-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 light, and having suitable lenses in a lateral tube, 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. Light, torch. See lamp.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 3 October 2005, at 21:16. This page has been accessed 1,810 times. 
What links here | Related changes | Permanent link