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n.1.A lock, as on a canal, in which boats are weighed and their tonnage is settled.
References in periodicals archive ?
Housed in the National Register 1850 Syracuse Weighlock Building, the museum exists to preserve the proud legacy of the Erie Canal -- the greatest engineering marvel in American history.
A portion of the proceeds will be deposited into a fund to help support the Museum's education programs, research, exhibitions, and preservation of the landmark 1850 Weighlock Building, the only structure of its kind in America.