The phrase "to hide the item" means to keep something out of sight or concealed from others.
Sentences with «to hide the item»
For instance, participants preferred hiding objects in the middle of the room, yet they tended to search for hidden items in the corners of the room. (sciencemag.org)
You need to find a lot of hidden items. (123kinect.com)
Some let you swim faster in the water, others can find hidden items for you. (iamericm.com)