Pluralize \Plu"ral*ize\, v. t. [imp. & p. p. {Pluralized}; p. pr. & vb. n. {Pluralizing}.] 1. To make plural by using the plural termination; to attribute plurality to; to express in the plural form. [1913 Webster] 2. To multiply; to make manifold. [R.] [1913 Webster]