Definition of pitahaya
1 : any of several cacti (as Lemaireocereus thurberi or Acanthocereus pentagonus) of the southwestern U.S. and adjacent Mexico that have edible juicy fruits; especially : saguaro
2 : the highly colored fruit of a pitahaya that often is as large as a peach and has bright red juice
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Origin and Etymology of pitahaya
Spanish, from Taino pitahaya
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