put hand up

put (one's) hand up

To hold one's hand in the air to indicate that one wants to answer or ask a question. Don't yell out your questions, kids, put your hands up! I do raise put my hand up in class, Mom, but the teacher never calls on me!
See also: hand, put, up

put one's hand up

to raise one's hand to get attention from whomever is in charge. The student put his hand up to ask a question of the teacher. She put up her hand to ask a question.
See also: hand, put, up