Traditional East Slavic bread shaped like a padlock or various kinds of wheels. Other Slavic nations have similar but not identical types of pastry, e.g. Czech or Slovak koláč/koláč, Polish kołacz, Bulgarian колач (kolač), Serbo-Croatian колач/kolač, etc.

plural of kalach

plural of kalach

(religion) The "wheel of time", an element of Vajrayana Buddhism.

A surname from Russian.