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Definition of Pierhead line
1. Noun. (American English) A line in a navigable waterway established by the Army Corps of Engineers, beyond which a pier cannot project. ¹
¹ Source: wiktionary.com
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1. Noun. (American English) A line in a navigable waterway established by the Army Corps of Engineers, beyond which a pier cannot project. ¹
¹ Source: wiktionary.com