rock awash

rock awash

[′räk ə′wäsh]
(oceanography)
In U.S. Coast and Geodetic Survey terminology, a rock exposed at any stage of the tide between the datum of mean high water and the sounding datum, or one just bare at these data.
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References in classic literature ?
Her middle structure, covered by the bridge which bore him, his mate, the closed wheelhouse where a man was steering shut up with the fear of being swept overboard together with the whole thing in one great crash -- her middle structure was like a half-tide rock awash upon a coast.