(video games, DVD) The programming practice, code, or chip used to prevent the playing of imported media on a domestically marketed device.

Of, or pertaining to, a specific region or district. / Of, or pertaining to, a large geographic region. / Of, or pertaining to, one part of the body.

An entity or event with scope limited to a single region.

Affection, often excessive, for one's own region and to everything related to it. / (politics) The belief that most or nearly all political power should be decentralized to regional governments.

In a large but limited area, more than local but smaller than entirety. (Generally smaller than a nation.)

The property of being regional.

(aviation) a small narrow-bodied jetliner designed to carry 30-150 passengers in one class for flight segments of 2000 kms or less.

(transitive) To divide into or organize according to regions. / (transitive) To administer on a regional basis.

simple past tense and past participle of regionalize

Divided into regions or considered on a regional basis