a swollen and infected area on your skin or in your body, full of a thick yellowish liquid (called pus) a painful abscess on the gum Word Origin mid 16th cent.: from Latin abscessus
‘a going away’, from the verb abscedere, from ab- ‘away from’ + cedere ‘go’, referring to the elimination of infected matter via the pus.Extra examples I developed an abscess on my neck. Once an abscess has burst it should be bathed with antiseptic liquid. He had a painful abscess on his gum.