Boyd’s Bible Dictionary:
(tribe). Title of Hebrew rulers from Saul to Zedekiah, B. C. 1095-588. Other rulers (Gen. 36:31; Ex. 3:19; Num. 31:8). Supreme ruler (1 Tim. 1:17; 6:15).
Strong’s Dictionary of Greek Words:
Transliteration:
basilikos
Meaning:
from 935; regal (in relation), i.e. (literally) belonging to (or befitting) the sovereign (as land, dress, or a courtier), or (figuratively) preeminent
KJV Usage:
king's, nobleman, royal