| a fishing line used in trolling that is attached to a weighted cable in order to put lures or bait at a specific depth under a boat, usually near the floor. |
down·rig·ger  (doun'rĭg'ər) n. Nautical A trolling rig that consists of a weighted cable attached below the boat to a fishing line, used to troll live bait at or near the floor of a body of water and eliminating the need for a weight on the fishing line. |
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