peccary Syllabification: (pec·ca·ry)Pronunciation: /ˈpekərē/Definition of peccary noun (plural peccaries) a gregarious piglike mammal that is found from the southwestern US to Paraguay. Family Tayassuidae: two genera and three species, in particular the collared peccary (Tayassu tajacu) Origin: early 17th century: from Carib pakirapeccary in other Oxford dictionaries Definition of peccary in the British & World English dictionary