Definitions
There are 2 meanings of the phrase
Mark Off.
Mark Off - as a verb
Example Sentences
"I will mark off the items on my to-do list as I complete them."
"She used a ruler to mark off equal distances on the paper."
"Please mark off your attendance in the attendance sheet."
"The construction crew will mark off the area where they will dig."
"They decided to mark off a designated area for the children to play."