pissaladièrePronunciation: /ˌpɪsalaˈdjɛː/Definition of pissaladière noun a Provençal open tart resembling pizza, typically made with onions, anchovies, and black olives. Origin:French, from Provençal pissaladiero, from pissala 'salt fish'pissaladière in other Oxford dictionaries Definition of pissaladière in the US English dictionary