Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Food, dishjalapeñojal‧a‧pe‧ño /ˌhæləˈpeɪnjəʊ $ ˌhɑːləˈpeɪnjoʊ/ noun [countable] DFFa small, very hot green pepper used especially in Mexican foodOrigin jalapeño (1900-2000) Mexican Spanish ldoceonline.com