verb
dredges; dredged; dredging
to remove mud from the bottom of (a lake, river, etc.) in order to deepen it or to search for something [+ obj]
[+ obj] :to dig (something) out of the bottom of a lake, river, etc.
dredge up
[phrasal verb]
dredge up (something) or dredge (something) up :to start talking or thinking again about (something unpleasant that happened a long time ago)
noun
plural dredges
[count] :a machine or boat that removes mud, sand, etc., from the bottom or a lake, river, etc. - called also dredger
verb
dredges; dredged; dredging
[+ obj] :to lightly cover (food) with a dry substance (such as sugar or flour) - often + with or in