1
to exchange (messages, greetings, arguments, etc.)
誰が議長に任命されるかについて、激しい議論がかわされた。
There was a heated argument as to who should be appointed chairman.
2
to intersect;to cross;to interlace
3
... with one another;... to each other
after the -masu stem of a verb
Other forms
交す 【かわす】 (search-only kanji form)