Definition
noun
A condition or state of having or being composed of many cells or more than one cell performing differing functions.
Multicellular organisms are organisms that have or consist of many cells or more than one cell to perform all vital functions.
Supplement
Examples of organisms that are multicellular are humans, animals, and plants.
Word origin: L, comb. form of multus much, many + NL cellulāris, equiv. to cellul(a) live cell.
Related forms: multicellular (adjective)
Compare: unicellularity