"Batten down the hatches" is a nautical phrase than means to
secure the hatches from being accidentally opened in heavy weather.
By extension, it means to get prepared for rough going.
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The roof tile is nailed to a batten.
( Batten = A thin strip of material, often wood, metal or
plastic)
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Batten down the hatches, take the precautions advised and wait
it out.
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Real World Road Rules Challenge - 1998 Fresh Meat Batten Down
the Hatches 12-11 was released on: