a cement-sand mortar that is sprayed onto formwork, walls, or rock by a compressed air ejector giving a very dense strong concrete layer: used to repair reinforced concrete, to line tunnel walls or mine airways, etc
Word origin
C20: from gun + -ite1
gunite in American English
(ˈgʌnˌaɪt)
US
noun
a concrete mixture sprayed under pressure over steel reinforcements, as in making swimming pools