line of soundings

line of soundings

[′līn əv ′sau̇nd·iŋz]
(navigation)
A series of soundings obtained by a vessel when it is under way.
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References in periodicals archive ?
appear to lie within the 3-fathoms line of soundings [or well inshore of a ship's typical track]; so that when clear of Romania Reef the coast is in most places safe to approach" (see Findlay, p.