tan·ge·lo /ˈtænʤəˌlo/
  Tan·ge·lo n.   A hybrid between the tangerine orange and the grapefruit, or pomelo; also, the fruit.
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  tangelo
       n 1: hybrid between grapefruit and mandarin orange; cultivated
            especially in Florida [syn: tangelo tree, ugli fruit,
             Citrus tangelo]
       2: large sweet juicy hybrid between tangerine and grapefruit
          having a thick wrinkled skin [syn: ugli, ugli fruit]