Czech 
/ˈtʃɛk/ noun
plural Czechs /ˈtʃɛk/ noun 1 [count] : a person born, raised, or living in Czechoslovakia or the Czech Republic
▪ the customs of the Czechs 2 [noncount] : the Slavic language of the Czechs
▪ He learned to speak Czech.
▪ the customs of the Czechs
▪ He learned to speak Czech.
— Czech adjective
▪ the Czech people/language
▪ the Czech people/language
