definitions

septi-

a combining form meaning “seven,” used in the formation of compound words: septilateral.

Nearby words

septendecillion, septennial, septennium, septentrion, septet, septi-, septic, septic abortion, septic fever, septic infarct, septic phlebitis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for septi- (1 of 2)

septi-

1

before a vowel sept-

combining form

sevenseptivalent

Word Origin for septi-

from Latin septem

British Dictionary definitions for septi- (2 of 2)

septi-

2

combining form

septumsepticidal
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

Word Origin and History for septi-

septi-

before vowels sept-, word-forming element meaning "seven," from Latin septem (see seven).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for septi-

septi-

pref.

Seven.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.