Definitions
1.AdjectiveOf, pertaining to, resembling, or connected with a peninsula or peninsulas."The lakeside cottage was on a peninsular spit of land."
2.AdjectiveExhibiting a narrow provincialism; parochial.
3.NounOne who inhabits a peninsula.
4.NounA person born on the Iberian Peninsula who emigrated to a (contemporary or former) Spanish colony.
5.NounMisspelling of peninsula, found chiefly in non-rhotic accents.