Source : Webster's Revised Unabridged Dictionary (1913)

Cloy \Cloy\ (kloi), v. t. [imp. & p. p. {Cloyed} (kloid); p. pr.
   & vb. n. {Cloying}.] [OE. cloer to nail up, F. clouer, fr.
   OF. clo nail, F. clou, fr. L. clavus nail. Cf. 3d {Clove}.]
   1. To fill or choke up; to stop up; to clog. [Obs.]

            The duke's purpose was to have cloyed the harbor by
            sinking ships, laden with stones.     --Speed.

   2. To glut, or satisfy, as the appetite; to satiate; to fill
      to loathing; to surfeit.

            [Who can] cloy the hungry edge of appetite By bare
            imagination of a feast?               --Shak.

            He sometimes cloys his readers instead of
            satisfying.                           --Dryden.

   3. To penetrate or pierce; to wound.

            Which, with his cruel tusk, him deadly cloyed.
                                                  --Spenser.

            He never shod horse but he cloyed him. --Bacon.

   4. To spike, as a cannon. [Obs.] --Johnson.

   5. To stroke with a claw. [Obs.] --Shak.

Source : WordNet®

cloying
     adj : overly sweet [syn: {saccharine}, {syrupy}, {treacly}]