What is the top line of a slope or embankment. Crest tile, a tile made to cover the ridge of a roof, fitting upon it like a saddle. -- Interior crest (Fort.), the highest line of the parapet called?

crest — (Engin.) The top line of a slope or embankment. Crest tile, a tile made to cover the ridge of a roof, fitting upon it like a saddle. -- Interior crest (Fort.), the highest line of the parapet. (Webster's 1913.)

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