Strong's Exhaustive Concordance dictionaries from openscriptures/strongs. CC BY-SA 4.0 / Public Domain. Derived from James Strong, S.T.D., LL.D., 1890/1894.
κύριοςkyrios
Short Definition
supreme in authority
Strong’s Definition
supreme in authority, i.e. (as noun) controller; by implication, Master (as a respectful title)