Back cast – A casting style particularly popular in the east of England. The angler stands with their back to the sea and parallel to the beach. Rods for this style tend to be long and have a heavy action.
Back wind – Using the reels anti-reverse switch to allow the fish to take line when fishing with a fixed spool or centrepin reel.
Backing line or backing – Line used to spool on a reel to raise the line level before applying a topshot of other line, normally braid. In fly fishing the backing gives a reserve of line over and above the
Backlash – The result of an uncontrolled spool when casting a multiplier reel. The spool spins faster than the line is flowing from it and the resultant tangle can be serious enough to require the cutting of the line. Also
Backwash – The movement of the waves back out to sea after flooding the beach or rocks.
Bag limit – Restriction on the number of fish that an angler may retain during a fishing session.
Bail or Bail arm (bale) – A semicircular, metal arm on an fixed spool or spinning reel that picks up the line after a cast.
Bait clip – A metal or plastic hook device, combined with tubing, used to retain the hook and bait under tension while casting to ensure best presentation. Hook is release on contact with the water.