(Lord) used in exclamations expressing surprise or worry, or for emphasis:Lord, I’m cold!
a man of noble rank or high office; a nobleman: lords and ladies were entertained here (Lord) (in the UK) a title given formally to a baron, and less formally to a marquess, earl, or viscount (prefixed to a family or territorial name):Lord Derby (the Lords) (in the UK) the House of Lords, or its members collectively. (Lord) (in the UK) a courtesy title given to a younger son of a duke or marquess (prefixed to a Christian name):Lord John Russell used in compound titles of other people of authority:Lord High Executioner historical a feudal superior, especially the owner of a manor house. a master or ruler:our lord the king (Lord) a name for God or Christ:give thanks to the Lord 1
(lord it over
) act in a superior and domineering manner towards (someone): when we were at school, you used to lord it over us
2 [with object] archaic confer the title of Lord upon: Sir Cadwallader Pleadwell has been lately lorded