Block \Block\, n. 1. In Australia, one of the large lots into which public land, when opened to settlers, is divided by the government surveyors. 2. (Cricket) (a) The position of a player or bat when guarding the wicket. (b) A block hole. (c) The popping crease. [R.] {Back blocks}, Australian pastoral country which is remote from the seacoast or from a river.