in lieu of, in place of; instead of:
He gave us an IOU in lieu of cash.
stead; place (esp in the phrases in lieu, in lieu of)
late 13c., from Old French lieu “place, position, situation, rank,” from Latin locum (nominative locus) “place.”
see under instead of
1. . abbreviation 1. lieutenant Also Lt noun Lieutenant; looey, loot (1843+) Lieutenant
[loo-ten-uh n-see] /luˈtɛn ən si/ noun, plural lieutenancies. 1. the office, authority, incumbency, or jurisdiction of a . 2. collectively. n. mid-15c., from lieutenant + -cy.
noun, U.S. Military. 1. a commissioned officer ranking next below a colonel and next above a major. noun 1. an officer holding commissioned rank immediately junior to a colonel in certain armies, air forces, and marine corps
noun, U.S. Navy. 1. a commissioned officer ranking next below a commander and next above a lieutenant. noun 1. an officer holding commissioned rank in certain navies immediately junior to a commander