Laker

Noun

 * 1) A ship used on the Great Lakes.
 * 2) Salt water sailor's definition: an ocean going vessel that is small enough to navigate the locks and canals of the St. Lawrence Seaway to enable it to reach ports on the Great Lakes of the United States of America (On the Great Lakes these are called "salties".)
 * 3) St. Lawrence Seaway sailor's definition: a vessel that is too large for the Seaway (including the Welland Canal portion) and is therefore restricted to the upper Great Lakes (Erie, Huron, Michigan, and Superior)
 * 4) Great Lakes sailor's definition: a vessel that is built for and used primarily on the Great Lakes, especially those used for bulk cargoes (bulk carrier) While large enough to be considered "ships", Great Lakes sailors have always referred to their steam or motor powered vessels as "boats".
 * 5) Classic laker: a bulk carrier designed with above deck cabins for pilothouse and officers' quarters at the bow and cabins for engines and crew quarters at the stern with open decks and hatchways spaced at 24 foot centers over the hold(s). Because the most common bulk cargo has historically been iron ore, these vessels are commonly known on the Great Lakes as "ore boats" regardless of what is actually in the hold at the time.
 * 6) Straight decker: a classic laker with no self-unloading equipment
 * 7) Stern-ender: a vessel with all above deck cabins located at the stern
 * 8) Whaleback: a variation on laker design built from 1887 to 1898
 * 9) A wharfman who resides near a lake.

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