IPA: //ˈɡeɪdʒər//
KK: /ˈɡeɪdʒər/
A person or device that measures the amount or level of something, often used in contexts like liquids or gases.
The gager checked the fuel levels in the tank before the flight.
The word 'gager' originates from Old French 'gager', meaning to pledge or to wager. It refers to someone who makes a pledge or bet.
Think of someone who is making a 'pledge' or 'bet' — that's what a gager does.