Last Updated
：2026/01/04
ななかっけい
Hiragana
ななかっけい / しちかっけい
Kanji
七角形
Noun
Japanese Meaning
平面上で7つの辺と7つの頂点をもつ多角形。七角形。ヘプタゴン。
Easy Japanese Meaning
ななつのかどとへんがあるかたち
Chinese (Simplified) Meaning
七边形 / 七角形 / 有七条边的多边形
Chinese (Traditional) Meaning
七邊形 / 七角形 / 具有七條邊的多邊形
Korean Meaning
칠각형 / 변이 일곱 개인 다각형
Vietnamese Meaning
hình bảy cạnh / đa giác có bảy cạnh / thất giác
Tagalog Meaning
hugis na may pitong gilid / hugis na may pitong sulok
Sense（1）
七角形: a heptagon
（ romanization ）
Quizzes for review
See correct answer
ななかっけい
See correct answer
This object with a heptagon shape is very unique, isn't it?
This object with a heptagon shape is very unique, isn't it?
See correct answer
このななかっけいの形をしたオブジェがとてもユニークですね。
Japanese - English
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