clearing mark

noun

Navigation.

either of a pair of landmarks or marks on a mariner's chart lying upon a line clearingline along which a vessel can sail to avoid navigational hazards.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As he appeared at the edge of the forest clearing, Mark Wilson, foreman of the detail, frowned irritably and paused in his task of snaking a log out to the road.