01 n. A steep, rugged rock; a rough, broken cliff, or point of a rock, on a ledge.
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1.
A steep, rugged rock; a rough, broken cliff, or point of a rock, on a ledge.“From crag to crag the signal flew.” — Sir W. Scott.
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2.
A partially compacted bed of gravel mixed with shells, of the Tertiary age.(Geol.)