noun, noun which may take the genitive case particle 'no'
outer edge; outer end
Refers to the outermost part or extremity of something, often used in spatial or geometric contexts.
テーブルの外端にコップを置かないでください。
Please don't put the glass on the outer edge of the table.
この図形の外端の長さを計算しなさい。
Calculate the length of the outer edge of this figure.