A bookend is an object tall, sturdy, and heavy enough that is placed at either end of a row of upright books to support or buttress them. Heavy bookends—made of wood, bronze, marble, and even large geodes—have been used in libraries, stores, and homes for centuries; the simple sheetmetal bookend (originally patented in 1877 by William Stebbins Barnard)[1] uses the weight of the books standing on its foot to clamp the bookend's tall brace against the last book's back; in libraries, simple metal brackets are often used to support the end of a row of books. Elaborate and decorative bookends are common as elements in home decor.
The word "bookend" is also used metaphorically to refer to any pair of items which frame and define a significant or noteworthy event or place. For example, regarding the practice in the United States whereby Memorial Day and Labor Day demarcate the traditional beginning and end of summer, those two holidays could be referred to as bookends. Bookends are usually made of metal and plastic.
See also[edit]
- Bookend terrace, a bookend effect in the design of terraced houses.
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Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction