Wiktionary
vb. 1 (context transitive English) to set the boundary of an area 2 (context transitive English) to classify 3 (context transitive English) to obliterate or cancel with a mark
WordNet
v. set boundaries to; "mark out the territory" [syn: mark off]
Usage examples of "mark out".
Upon such occasions he would go into the nearest mine on the vein he was hunting for, and once more get the bearings of the deposit and mark out its probable course.
As a result, the nucleus behaves as though it has an axis of rotation that precesses, that is, moves so that its ends mark out circles, billions of times a second.
When it was said that metaphysic is the science of the first principles of human knowledge, this did not mark out any special kind of knowledge, but only a certain rank or degree, with regard to its character of generality, which was not sufficient to distinguish it clearly from empirical knowledge.
The ridge of ice which encircled it appeared but a few yards off, and no larger than the row of pebbles with which a child will mark out the boundaries of the kingdom he has appropriated on the sea-shore.
We mounted at first by a steep grade along the summit of one of those twisted spurs that, from a distance, mark out provinces of sun and shade upon the mountain-side.