Pronunciation: (hä'chek), [key]
a diacritical mark (ˇ) placed over a letter in some languages, as Czech and Lithuanian, and in some systems of phonetic transcription, esp. to indicate that a sound is palatalized. Also,há'ček.Also called wedge.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.