Projecting block in a wall to support whatever is above, such as a beam, parapet or arch. Most are plain but some show decoration or a carved male or female character.
See also pdf of Corbel article from Canterbury Times reproduced by kind permission of KRN Media'
Local examples (click to enlarge)
Choir House, cathedral
8 Palace Street
Corbel – Palace Street
Former Boots shop, corner of Mercery Lane and High Street