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Meaning of vernacularism

ver•nac•u•lar•ism

Pronunciation: (vur-nak'yu-lu-riz"um, vu-nak'-), [key]
— n.
  1. a vernacular word or expression.
  2. the use of the vernacular.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.