Gable Triangular end part of a ridged roof

Galilee Porch attached to the west end of the church

Gallery A Long narrow room, or a hallway

Garderobe Toilets that empty into a stream or simply outside the walls; toilets outside the building

Gargoyle Carved ornaments designed to carry rain water away from the side of buildings

Garth An enclosed garden. Usually in cloisters

Gatehouse A tower defending an entrance

Gothic Period of architecture from the twelfth to the fifteenth century. Early English and Decorated styles are included in this time period

Groin The edge of intersecting vaults

Hall The main building used for domestic life

Haunch Part of an arch between it's pillar and highest point

Herringbone Affect of placing masonry inclined alternately to the left and right

Hoarding Brattices or Breteche; Wooden boards fitted to top of wall used as extra protection for defenders

Impost The moulded high point of a pillar from which the arch springs

Infirmary A hospital for sick monks. The Infirmary usually had a cloister of its own

Intersecting tracery In windows where mullions split in Y shapes to form smaller arches

Intrados The underside of an arch