chock

[chok]
noun
1.
a wedge or block of wood, metal, or the like, for filling in a space, holding an object steady, etc.
2.
Nautical.
a.
any of various heavy metal fittings on a deck or wharf that serve as fairleads for cables or chains.
b.
a shaped support or cradle for a ship's boat, barrel, etc.
c.
a small wooden piece or timber for filling a gap, reinforcing an angle, etc., in a wooden vessel.
3.
Metalworking. a bearing supporting the end of a rolling mill.
4.
Mining. a roof support made of cribbing filled with stones. Compare cog3 ( def 2 ).
verb (used with object)
5.
to furnish with or secure by a chock or chocks.
6.
Nautical. to place (a boat) upon chocks.
adverb
7.
as close or tight as possible: chock against the edge.

Origin:
Middle English < Anglo-French choque (compare modern Picard choke big log, Normandy dial. chouque), Old French çoche (French soche); of uncertain origin

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World English Dictionary
chock (tʃɒk)
 
n
1.  a block or wedge of wood used to prevent the sliding or rolling of a heavy object
2.  nautical
 a.  a fairlead consisting of a ringlike device with an opening at the top through which a rope is placed
 b.  a cradle-like support for a boat, barrel, etc
3.  mountaineering See nut
 
vb
4.  (Brit) (usually foll by up) to cram full: chocked up with newspapers
5.  to fit with or secure by a chock
6.  to support (a boat, barrel, etc) on chocks
 
adv
7.  as closely or tightly as possible: chock against the wall
 
[C17: of uncertain origin; perhaps related to Old French çoche log; compare Provençal soca tree stump]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

chock
1674, possibly ult. from O.N.Fr. choque "a block," from O.Fr. çoche "log," from Gaul. *tsukka "a tree trunk, stump."
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Straight from the pages of the magazine's top-scoring feature, this little book
  is chock-full of tremendous fun.
Biscuits and pastries are made from scratch here and the menu is chock-full of
  locally sourced foods.
Over the past decade, scientists have discovered that our crops are chock-full
  of dormant characteristics.
Patience is the key to this soul-satisfying soup chock-full of winter greens.
Images for chock
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