- septi- + lateral (Wiktionary)
- Latin septem, seven; see septet + lateral. (American Heritage® Dictionary of the English Language, Fourth Edition)
“Within this circle she drew other lines, from angle to angle, forming seven triangles, the bases of which constituted the sides of a septilateral figure.”
These user-created lists contain the word ‘septilateral’.
List of adjectives such as everduring that do not frequent common speech and writing. A continuation of my list Adjectival Arcana, which had grown to over 7700 words and had become far too cumbersome.
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
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