Czech (ch?k)adj. Of or relating to the Czech Republic or its people, language, or culture.n.1. a. A native or inhabitant of the Czech Republic.b. A person of Czech ancestry.2. The Slavic language of the Czechs.[Polish, from Czech ?ech.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Czech (t??k) adj1. (Placename) a. of, relating to, or characteristic of the Czech Republic, its people, or its languageb. of, relating to, or characteristic of Bohemia and Moravia, their people, or their languagec. (loosely) of, relating to, or characteristic of the former Czechoslovakia or its people2. (Peoples) a. of, relating to, or characteristic of the Czech Republic, its people, or its languageb. of, relating to, or characteristic of Bohemia and Moravia, their people, or their languagec. (loosely) of, relating to, or characteristic of the former Czechoslovakia or its people3. (Languages) a. of, relating to, or characteristic of the Czech Republic, its people, or its languageb. of, relating to, or characteristic of Bohemia and Moravia, their people, or their languagec. (loosely) of, relating to, or characteristic of the former Czechoslovakia or its peoplen4. (Languages) 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 intelligible5. (Peoples) a. a native or inhabitant of the Czech Republicb. a native or inhabitant of Bohemia or Moraviac. (loosely) a native, inhabitant, or citizen of the former Czechoslovakia[C19: from Polish, from Czech ?ech]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Czech (t??k) n. 1. a member of the Slavic people of Bohemia and Moravia. 2. the West Slavic language of the Czechs. 3. Czechoslovak. adj. 4. of or pertaining to the Czechs, their homeland, or their language. 5. Czechoslovakian. Czech. Czechoslovakia. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.