Learner's definition of GALLERY
1 a : a room or building in which people look at paintings, sculptures, etc.
b : a business that sells paintings, sculptures, etc.
an art gallery
the National Gallery
2 : a group or collection of people or things 3 a : the highest section of seats in a theater b : the people sitting in the gallery c : the people who are watching a tennis or golf match
play to the gallery
: to do things that you think will be popular among many people instead of doing what you think is right