ja·la·pe·ño 
(hä′lə-pānyō)
(hä′lə-pānyō)n. pl. ja·la·pe·ños
1. A cultivar of the tropical pepper Capsicum annuum having a very pungent green or red fruit.
2. The fruit of this plant.
[American Spanish (chile) jalapeño, (chile of) Jalapa, after Jalapa (a traditional center of the production of the cultivar).]