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 Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for chock

Contemporary Examples of chock

Historical Examples of chock

  • And when I got into this county I found it chock full of armies.

    The Long Roll

    Mary Johnston

  • I guess the palace will be chock full, Button-Bright; don't you think so?

    The Road to Oz

    L. Frank Baum

  • Then: "My room is chock full of toys," the Banker said reflectively.

    The Girl in the Golden Atom

    Raymond King Cummings

  • It was chock full, and Jim and I have to sleep under the table.

    Parkhurst Boys

    Talbot Baines Reed

  • The prisons are chock full of them, and the mass held in abhorrence.'

    Penshurst Castle

    Emma Marshall

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 (def. 10)

verb (tr)

(usually foll by up) British to cram fullchocked up with newspapers
to fit with or secure by a chock
to support (a boat, barrel, etc) on chocks


as closely or tightly as possiblechock against the wall

Word Origin for chock

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

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