an object shaped like two cones with their bases together.
Historical Examples

The Swastika Thomas Wilson
The Swastika Thomas Wilson
The Swastika Thomas Wilson


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  • Biconvex lens

    biconvex lens Historical Examples McClure’s Magazine, Vol. VI., No. 6, May, 1896 Various The Works of Francis Maitland Balfour, Volume II (of 4) Francis Maitland Balfour Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) Ernst Haeckel

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  • Bicorne

    a two-cornered cocked hat worn especially in the 18th and early 19th centuries. a two-horned animal. Historical Examples The Crimson Tide Robert W. Chambers

  • Bicornuate

    Botany, Zoology. having two horns or hornlike parts. shaped like a crescent. bicorne. adjective having two horns or hornlike parts bi·cor’nu·ous (-əs) adj.

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