10 letters · 10 points in Scrabble
noun a commissioned military officer
noun an officer in a police force
noun an assistant with power to act when his superior is absent
originFrom Middle English lieutenant, lieftenaunt, from Anglo-Norman lieutenant, lyutenaunt, leu tenant, leu tenaunt (“deputy, lieutenant”), from Old French lieu (“place”) + tenant (“holder”). Doublet of locum tenens and stadtholder.
Etymology from Wiktionary, CC BY-SA 3.0