jack block (0 synonym found)

We don't have any synonyms for jack block yet.

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rack block  ·  jack black  ·  backblock  ·  jack back  ·  cock block

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Definition of jack block:

(n) : (nautical) A block fixed in the topgallant or royal rigging, used for raising and lowering light masts and spars.
Definition of jack block:

(n) : (nautical) A block fixed in the topgallant or royal rigging, used for raising and lowering light masts and spars.
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