n.
Pronunciation: ˌ tre-f ə - ' n ā -sh ə n
Function: noun
Date: 1874
: an act or instance of perforating the skull with a surgical instrument
n.
Pronunciation: ˌ tre-f ə - ' n ā -sh ə n
Function: noun
Date: 1874
: an act or instance of perforating the skull with a surgical instrument
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012