/ dʒaʊst; NAmE / verb [ v ]
1.
to fight on horses using a long stick (= a lance ) to try to knock the other person off their horse, especially as part of a formal contest in the past
2.
( formal ) to argue with sb, especially as part of a formal or public debate
► joust noun
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WORD ORIGIN
Middle English (originally in the sense join battle, engage ): from Old French jouster bring together, based on Latin juxta near.