three sides; three faces; page three (of a newspaper)
Refers to three physical sides or faces of an object, or the third page of a newspaper, often the local news or human-interest section.
この箱は三面が赤く塗られている。
Three sides of this box are painted red.
新聞の三面記事を読むのが好きだ。
I like reading the page-three articles in the newspaper.
three-sided mirror; three-way mirror
versatile person; one person doing the work of many
human-interest article; local news; police news
Compound of 三 (san, 'three') and 面 (men, 'face, side, surface').