n.
Pronunciation: ' li ŋ -( ˌ )g ō
Function: noun
Inflected Form: plural lingoes
Etymology: probably from Lingua Franca, language, tongue, from Occitan, from Latin lingua ― more at TONGUE
Date: 1660
: strange or incomprehensible language or speech: as a : a foreign language b : the special vocabulary of a particular field of interest c : language characteristic of an individual