Definitions from Wiktionary (jack block)
▸ noun: (nautical) A block fixed in the topgallant or royal rigging, used for raising and lowering light masts and spars.
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▸ noun: (nautical) A block fixed in the topgallant or royal rigging, used for raising and lowering light masts and spars.
Similar:
monkey block,
leader,
jackstaff,
jackyard,
jigger,
snatch block,
jigger-mast,
cat-block,
jack-staff,
watch tackle,
more...
Opposite:
Types:
▸ Words similar to jack block
▸ Usage examples for jack block
▸ Idioms related to jack block
▸ Wikipedia articles (New!)
▸ Words that often appear near jack block
▸ Rhymes of jack block
▸ Invented words related to jack block