1. cross swords - Verb
2. cross swords - Phrase
Used other than figuratively or idiomatically: see cross, sword., to place or hold two swords so they cross each other.
To fight with someone; to duel.
(idiomatic) To quarrel or argue with someone; to have a dispute with someone.
(idiomatic, vulgar) For males, to urinate simultaneously such that the streams intersect.
Source: en.wiktionary.orgI have learned by experience that a tragic end awaits anyone who dares cross swords with me; Nasser is no more, John and Robert Kennedy died at the hands of assassins, their brother Edward has been disgraced, Krushchev was toppled, the list is endless. Muhammad Reza Pahlavi
Whenever you cross swords with an enemy you must not think of cutting him either strongly or weakly; just think of cutting and killing him. Miyamoto Musashi
Oh, many. A few, even superior. For sheer strength of character, I wouldn't have dared to cross swords with Callas. I would rather have gone six rounds with Jack Dempsey! Maria Callas