I. -ənt adjective
Etymology: Middle English, from Latin confluent-, confluens, present participle of confluere to flow together, from com- + fluere to flow — more at fluid
Date: 15th century
1. : flowing or coming together ; also : run together
confluent pustules
2. : characterized by confluent lesions
confluent smallpox
II. noun
Date: 1849
: a confluent stream ; broadly : tributary