ˌ ̷ ̷ ̷ ̷ˈkāshən noun
( -s )
Etymology: Medieval Latin urtication-, urticatio, from urticatus (past participle) + Latin -ion-, -io -ion
1. : an itching and stinging sensation (as from contact with nettles)
2.
[ urtic- (in New Latin urticaria ) + -ation ]
: wheal formation in urticaria