Definition from Wiktionary, the free dictionary
Alternative forms 
- (transitive) To make plural.
- The word "orange" can be pluralized into "oranges".
- (intransitive) To take a plural; to assume a plural form.
- Nouns pluralize in English, but verbs do not.
- (transitive) To multiply; to make manifold.
- (intransitive, UK) To hold more than one ecclesiastical benefice at the same time.