noun
Etymology: jacking from gerund of jack (II)
: the raising of a pavement or railroad subgrade by means of mud pumped under it through drilled holes
noun
Etymology: jacking from gerund of jack (II)
: the raising of a pavement or railroad subgrade by means of mud pumped under it through drilled holes
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012