/ˈlɪŋɡoʊ/

lingo

BrE /ˈlɪŋɡəʊ/

NAmE /ˈlɪŋɡoʊ/

[sing.] (informal)

→ duolingo

a language, especially a foreign language

He doesn’t speak the lingo.

(especially NAmE)

expressions used by a particular group of people

SYN jargon

baseball lingo