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semicylinder

American  
[sem-ee-sil-in-der, sem-ahy-] / ˌsɛm iˈsɪl ɪn dər, ˌsɛm aɪ- /

noun

  1. half of a cylinder divided lengthwise.

Other Word Forms

  • semicylindric adjective
  • semicylindrical adjective

Etymology

Origin of semicylinder

First recorded in 1660–70; semi- + cylinder

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.