Source : Webster's Revised Unabridged Dictionary (1913)

Pekoe \Pek"oe\, n. [Chin. pih-hoau: cf. F. peko["e]]
   A kind of black tea. [Written also {pecco}.]

Source : WordNet®

pekoe
     n : a superior grade of black tea; grown in India and Sri Lanka
         and Java [syn: {orange pekoe}]