Real Dictionary

clone
a group of organisms or cells of the same genetic constitution that are descended from a common ancestor by asexual reproduction, as by cuttings, grafting, etc, in plants [...]
a room or set of rooms where books and other literary materials are kept [...]
a whole made up of interconnected or related parts [...]
the act of expanding or the state of being expanded [...]
countable noun: If someone or something is a clone of another person or thing, they are so similar to this person or thing that they seem to be exactly the same as them.