dredge 2 
(drĕj)
(drĕj)tr.v. dredged, dredg·ing, dredg·es
To coat (food) by sprinkling with a powder, such as flour or sugar.
[From obsolete dredge, a sweetmeat, from Middle English dragge, from Old French dragie, alteration of Latin tragēmata, confectionary, from Greek, pl. of tragēma, sweetmeat; see terə-1 in the Appendix of Indo-European roots.]
dredge2