háček language

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun informal Any one of the four Slavic languages (viz. Czech, Serbo-Croatian, Slovak, and Slovene) and two Baltic languages (viz. Latvian and Lithuanian) that use the háček: 〈ˇ〉 for the letters Č, Š, and Ž as part of their standard orthographies.