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infante

American  
[in-fan-tey] / ɪnˈfæn teɪ /

noun

  1. any son of the king of Spain or of Portugal who is not heir to the throne.


infante British  
/ ɪnˈfæntɪ /

noun

  1. (formerly) a son of a king of Spain or Portugal, esp one not heir to the throne

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of infante

1545–55; < Spanish or Portuguese; infant