J
JACK to JIGGER
JACK
JACOBS STAFF
JAMMING
JEARS, or GEERS
JETTY-HEAD
JEWEL-BLOCKS
JIB
JIB-BOOM
JIBING
JIGGER
JIGGER TACKLE to JURY-MAST
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JAMMING
JAMMING, the act of inclosing any object between two bodies, so as to render it immoveable, whilst they continue in the same position. This expression is usually applied to the situation of some running-rope, when it happens to be squeezed by the compression of the standing-rigging, &c. and by consequence incapable of performing it's office, by traversing in the blocks, till it is released from this confinement. In this sense jamming is opposed to rendering, which see.A cask, box, &c. is also said to be jammed, when it is in the same manner wedged in between weighty bodies, so as not to be dislodged without great difficulty.
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© Derived from Thomas Cadell's new corrected edition, London: 1780, page 160, 2003
Prepared by Paul Turnbull
http://southseas.nla.gov.au/refs/falc/0740.html