Full Idea
A body is defined as that which exists in space.
Gist of Idea
A body is that which exists in space
Source
Gottfried Leibniz (Confessio naturae contra atheistas [1669], A6.1.490), quoted by Daniel Garber - Leibniz:Body,Substance,Monad 1
Book Reference
Garber,Daniel: 'Leibniz: Body, Substance, Monad' [OUP 2009], p.11
A Reaction
A very early view. Leibniz notes that this tells you nothing about shape and motion.