- an elected official of a U.S. state who ranks below the governor and substitutes for the governor in case of the latter's absence or death
- the official head of the government of a Canadian province, appointed by the governor generalalso lieuten′ant-gov′ernor
lieutenant governorlieutenant governor
nounAbbr. Lt. Gov.
- An elected official ranking just below the governor of a state in the United States.
- The nonelective chief of government of a Canadian province.
- lieutenant governorship