Definitions

1. noun

A region or area that consists of three states, especially in the United States.

“The tristate area of New York, New Jersey, and Connecticut has a rich history and culture.”

2. adjective

Relating to or characteristic of three states or regions.

“The tristate border has been the subject of several territorial disputes.”

3. adverb

In a manner that is characteristic of three states or regions.

“She traveled tristate, visiting New York, New Jersey, and Connecticut in one weekend.”

4. verb

To divide or separate into three distinct regions or areas.

“The city was tristated to create three separate neighborhoods.”