| Noun | 1. | tangelo tree - hybrid between grapefruit and mandarin orange; cultivated especially in Floridaugli, ugli fruit, tangelo - large sweet juicy hybrid between tangerine and grapefruit having a thick wrinkled skin genus Citrus - orange; lemon; lime; etc. citrus tree, citrus - any of numerous tropical usually thorny evergreen trees of the genus Citrus having leathery evergreen leaves and widely cultivated for their juicy edible fruits having leathery aromatic rinds |