Having a hole or empty space inside. (Cambridge Dictionary)
If you have hollow cheeks or eyes, your cheeks curve in or your eyes look deep in your head because you are old, tired, or ill. (Cambridge Dictionary)
An unfilled space: Cavity, Hole. (Merriam – Webster)
A depressed or low part of a surface. (Merriam – Webster)
Having a hole or empty space inside. (Oxford Dictionaries)
Something that is hollow has a space inside it, as opposed to being solid all the way through. (Collins Dictionary)
Hollow. Urdu meaning.
It is definitely not new, but it’s still awesome! Statues that were made by the French artist Bruno Catalano give the meaning of completeness when are displayed invisible, hollow, and incomplete.