noun
top column; upper field; preceding horizontal column
Refers to the upper or preceding horizontal section in a table, form, or ledger. Often used in contrast with 下欄 (lower column).
申請書の上欄に住所を記入してください。
Please fill in your address in the top column of the application form.
表の上欄には項目名が書いてある。
The item names are written in the top row of the table.