Sledge hammer definitions

Sledge hammer

1) Cedar Fair attraction
Found on https://www.crosswordclues.com/clue/sledge-hammer

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sledge hammer

A very heavy, long-handled hammer used for driving stakes, pins, and wedges, or demolition. The head is double sided so that either end can be used to strike an object. Sledge hammers typically weigh 8 to 16 pounds and have a wooden or fiberglass handle. Safety is paramount when using a sledgehamm...
Found on http://www.daviddarling.info/encyclopedia/S/AE_sledge_hammer.html

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Sledge-hammer

Operational code name for a planned Allied invasion of France in 1942
Found on https://www.encyclo.co.uk/local/20490

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