Definitions

1. adjective

relating to or characteristic of the Trucial States, a group of sheikhdoms on the coast of the Persian Gulf in the late 19th and early 20th centuries.

“The trucial sheikhs had been a dominant force in the region for centuries.”

2. noun

a former sheikhdom of the Trucial States, now part of the United Arab Emirates.

“Abu Dhabi was a trucial at the time of the discovery of oil.”