(1):

(n.) An encounter.

(2):

(v. i.) To fill up, as a cavity.

(3):

(v. t.) To stop or fasten, as with a wedge, or block; to scotch; as, to chock a wheel or cask.

(4):

(n.) 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.

(5):

(n.) 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.

(6):

(adv.) Entirely; quite; as, chock home; chock aft.

(7):

(v. t.) To encounter.