septilateral

== English == === Etymology === From septi- +‎ lateral. === Pronunciation === Rhymes: -ætəɹəl === Adjective === septilateral (not comparable) Having seven sides. Synonym: heptagonal ==== Usage notes ==== Much less common than heptagonal === References === “septilateral”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.