n.
Pronunciation: ' kr ā - ˌ tän, ' kra-
Function: noun
Etymology: German Kraton, modification of Greek kratos strength ― more at HARD
Date: 1944
: a stable relatively immobile area of the earth's crust that forms the nuclear mass of a continent or the central basin of an ocean
– cra · ton · ic \ kr ə - ' tä-nik, kr ā -, kra- \ adjective