to stop or fasten, as with a wedge, or block; to scotch; as, to chock a wheel or cask.-to fill up, as a cavity.-a wedge, or block made to fit in any space which it is desired to fill, esp. something to steady a cask or other body, or prevent it from moving, by fitting into the space around or beneath it.-a heavy casting of metal, usually fixed near the gunwale. it has two short horn-shaped arms curving inward, between which ropes or hawsers may pass for towing, mooring, etc.-entirely; quite; as, chock home; chock aft.-to encounter.-an encounter.