from The Century Dictionary.

  • noun Half a cylinder in longitudinal section.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Half of a cylinder (cut along its axis)


from Wiktionary, Creative Commons Attribution/Share-Alike License

semi- +‎ cylinder


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  • As each of these figures rotates, it traces a line on the surface of a semicylinder, which is perpendicular to the plane of ABDZ and has ABD as its base.

    Archytas Huffman, Carl 2007

  • The boldness and the imagination of the construction lies in envisioning the intersection at point K of the line drawn by the rotating semicircle on the surface of the semicylinder with the line drawn by the rotating triangle on the same surface.

    Archytas Huffman, Carl 2007

  • I made in former years such a research with regard to tuning forks of prismatic form, that is to say, of a constant rectangular section continuing even into the bent portion where the parallel branches are united by a semicylinder, at the middle of which is the wrought iron rod as well as the branches.

    Scientific American Supplement, No. 365, December 30, 1882 Various


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