Plimsoll-mark meaning

plĭmsəl, -sôl
Any of a set of lines on the hull of a merchant ship that indicate the depth to which it may be legally loaded under specified conditions.
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A line or set of lines on the hull of a merchant ship, showing the depth to which it may legally be loaded.
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(nautical) Properly the International Load Line, a mark on the hull of a merchant ship to show the waterline under specified conditions. The line shows the maximum capacity load the ship may carry.
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Origin of plimsoll-mark

  • After Samuel Plimsoll (1824–1898), British merchant and shipping reformer

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Samuel Plimsoll, Bristol merchant and member of Parliament, promoter of the Merchant Shipping Act.

    From Wiktionary