blank space; blank column; empty field
Refers to a blank space in a form, test, or document where information is to be filled in.
Please fill in your name and address in the blank spaces on this form.
試験問題の空欄に適切な語句を入れなさい。
Fill in the blanks in the exam questions with the appropriate words.
Please fill in the blank spaces on the test.
Insert the appropriate word into the blank.
I left the questions I didn't know blank.