
Usually but not always a fly with a bead immediately behind the hook eye. Beads come in many materials, from brass to nickel brass to ceramic. Some beads help a fly sink, but others are floaters.
Found on
http://firstcastflyfishing.blogspot.co.uk/p/glossary-of-terms.html

term used to describe a fly tied with a bead near the eye of the hook, simulating a head, such as a Beadhead Pheasant Tail. Beads can be brass, nickel, tungsten, or ceramic, and typically add weight to the fly in order to help it sink; however, some beads increase buoyancy.
Found on
http://howtoflyfish.orvis.com/glossary/beginners-fly-fishing-glossary

Usually but not always a fly with a bead immediately behind the hook eye. Beads come in many materials, from brass to nickel brass to ceramic. Some beads help a fly sink, but others are floaters.
Found on
http://www.flyfisherpro.com/Public/Resources/GlossaryofFlyFishingTerms/inde

Usually but not always a fly with a bead immediately behind the hook eye. Beads come in many materials, from brass to nickel brass to ceramic. Some beads help a fly sink, but others are floaters.
Found on
https://www.encyclo.co.uk/local/22491

usually but not always a fly with a bead immediately behind the hook eye. Beads come in many materials, from brass to nickel brass to ceramic. Some beads help a fly sink, but others are floaters.
Found on
https://www.encyclo.co.uk/local/22502
No exact match found.