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septilateral

[sep-tuh-lat-er-uh l]
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adjective
  1. having seven sides.
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Origin of septilateral

First recorded in 1650–60; septi- + lateral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for septilateral

Historical Examples

  • It was a septilateral chamber, about eight feet high, built of stone, and supported by beautifully groined arches.

    Auriol

    W. Harrison Ainsworth


British Dictionary definitions for septilateral

septilateral

adjective
  1. having seven sides
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012