Statistics for occurrence #1 of “Spithead” in chapter 3, entry careening of Knight's Mechanical Encyclopedia:
...ical.) The operation of exposing a part of a ship's bottom by a purchase applied to the masts to tilt them laterally from the perpendicular.
It was careening that upset the Royal George in 1782 at Spithead : —
They Had made the vessel heel, And laid her on her side.
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