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septilateral

[sep-tuh-lat-er-uh l] /ˌsɛp təˈlæt ər əl/
adjective
1.
having seven sides.
Origin
1650-1660
1650-60; septi- + lateral
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for septilateral

septilateral

/ˌsɛptɪˈlætərəl/
adjective
1.
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
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