noun, noun which may take the genitive case particle 'no'
margin; outside the column
Refers to the blank space outside the main text area on a page, or to notes written there. Often used with の to modify a noun.
重要な注釈は欄外に書いてある。
Important notes are written in the margin.
彼は教科書の欄
He took a lot of notes in the margins of his textbook.