noun🔗ShareA natural water stream that flows into a larger river or other body of water."The small streams, called tributaries, flow into the much larger Amazon River. "geographynatureChat with AIVocabulary GamePractice Reading
noun🔗ShareA nation, state, or other entity that pays tribute."During the Roman Empire, many conquered kingdoms became tributaries, sending goods and resources back to Rome as a sign of submission and payment for protection. "politicsnationgovernmentstatehistoryChat with AIVocabulary GamePractice Reading