ˈtrüshəl, -üsēəl adjective
Usage: often capitalized
Etymology: truce (I) + -ial; from the maritime truce made in 1835 between the British government and several Arab states of the Oman peninsula
: of, relating to, or involving several territorial areas in the vicinity of the Persian Gulf for which the government of Great Britain assumes responsibility nominally in an advisory capacity
nearly 400 miles of coast belongs to the Trucial sheikhs — Americana Annual