1. past tense of dredge: to remove mud, sand, or other material from the bottom of a body of water
2. past tense of dredge: to coat food lightly with flour, breadcrumbs, or other dry ingredients
Usage: cooking
3. past tense of dredge: to bring up or uncover something, especially something unpleasant from the past
Usage: often used with ‘up’

Examples

• The harbor was dredged to allow larger ships to enter.
• Workers dredged the canal to prevent flooding.
• She dredged the chicken in flour before frying it.
• The fish was dredged in seasoned breadcrumbs.
• The reporter dredged up old scandals about the politician.
• He dredged up painful memories from his childhood.
• The investigation dredged new evidence from old files.