a. of, relating to, or characteristic of the Czech Republic, its people, or its language
b. of, relating to, or characteristic of Bohemia and Moravia, their people, or their language
c. (loosely) of, relating to, or characteristic of the former Czechoslovakia or its people
—n
2.
the official language of the Czech Republic, belonging to the West Slavonic branch of the Indo-European family; also spoken in Slovakia. Czech and Slovak are closely related and mutually intelligible
3.
a. a native or inhabitant of the Czech Republic
b. a native or inhabitant of Bohemia or Moravia
c. (loosely) a native, inhabitant, or citizen of the former Czechoslovakia