Banish: 1. To punish a person by ordering them to leave a place or country, to be sent a long way away
2. To drive away doubts or fears
Banquet: A lavish feast or dinner, usually held as a celebration
Banshee: Wailing female spirit or ghost
Baptism: Christian religious naming ceremony, involving sprinkling with or dipping a person in water as a sign of purity and to receive them into the church.
Baron: 1. A member of the lowest rank of noblemen
2. A powerful owner of industry or business
Barrow (long barrow, round barrow): A mound of earth over a prehistoric grave. In myths barrows are often associated with fairies and spirits.
Beadle: An official with ceremonial duties in a church, college or city.
Beer seller: A person who sells beer.
Black dogs: Large fearsome dogs often described as being as big as a calf with either a single red eye or glowing red eyes often associated with roads, graveyards or ancient sites. In some myths, they are bringers of bad fortune or guardians of treasure.
Blockade: Surrounding a town or city or port etc to stop or obstruct people or goods coming in or out.
Bonfire: Large open-air fire to celebrate an event.
Boundary: A limit or a line, in myths this often refers to the edge between two worlds.
Brewer: Someone who makes beer.
Broomstick: Handle of a broom thought to have been ridden through the air by witches.
Burgess: Old term relating to a member of parliament for a borough, town or university.
Burial grounds: Cemetery or ancient site where the dead were buried.