septilateral

[ sep-tuh-lat-er-uhl ]
/ ˌsɛp təˈlæt ər əl /

adjective

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. 2020

Example sentences from the Web for septilateral

  • 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
/ (ˌsɛptɪˈlætərəl) /

adjective

having seven sides
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