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[chok] /tʃɒk/
a wedge or block of wood, metal, or the like, for filling in a space, holding an object steady, etc.
  1. any of various heavy metal fittings on a deck or wharf that serve as fairleads for cables or chains.
  2. a shaped support or cradle for a ship's boat, barrel, etc.
  3. a small wooden piece or timber for filling a gap, reinforcing an angle, etc., in a wooden vessel.
Metalworking. a bearing supporting the end of a rolling mill.
Mining. a roof support made of cribbing filled with stones.
Compare cog3 (def 2).
verb (used with object)
to furnish with or secure by a chock or chocks.
Nautical. to place (a boat) upon chocks.
as close or tight as possible:
chock against the edge.
Origin of chock
Middle English < Anglo-French choque (compare modern Picard choke big log, Normandy dial. chouque), Old French çoche (French soche); of uncertain origin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for chock
  • 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.
  • Once again we'll be featuring seven weekly guides chock full of geeky present ideas.
  • Your article is chock full of excellent information and valid points.
  • Patience is the key to this soul-satisfying soup chock-full of winter greens.
  • Part of the fun of hiking in the woods is the treat of coming across a bush chock-full of wild berries.
  • Even more evidence that our own little backyard in the universe is chock-full of wonders.
  • The movie is chock full of peculiar cross-references.
  • chock full of info, and the discussion forum is invaluable.
British Dictionary definitions for chock


a block or wedge of wood used to prevent the sliding or rolling of a heavy object
  1. a fairlead consisting of a ringlike device with an opening at the top through which a rope is placed
  2. a cradle-like support for a boat, barrel, etc
(mountaineering) See nut (sense 10)
verb (transitive)
(usually foll by up) (Brit) to cram full: chocked up with newspapers
to fit with or secure by a chock
to support (a boat, barrel, etc) on chocks
as closely or tightly as possible: chock against the wall
Word Origin
C17: of uncertain origin; perhaps related to Old French çoche log; compare Provençal soca tree stump
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for chock

1670s, "lumpy piece of wood," possibly from Old North French choque "a block" (Old French çoche "log," 12c.; Modern French souche "stump, stock, block"), from Gaulish *tsukka "a tree trunk, stump."


"tightly, close up against," 1799, back formation from chock-full.

Online Etymology Dictionary, © 2010 Douglas Harper
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