Trail:

Glossary

Hungry joints
Brick or stone joints without pointing (exposed mortar), or deeply recessed to show the outline of each stone.
Husk garland
A garland or festoon of stylized nutshells.
Hydraulic power
Use of water under high pressure to work machinery.
Hypocaust
(lit. underburning): Roman heating system in which hot air was circulated under the floors.
Iconostasis
In Orthodox churches, the screen that divides off the sanctuary, usually decorated with sacred images (icons).
Imperial stair
A stair rising in one flight and returning at right angles in two.
Impost
Horizontal moulding at the springing of an arch.
Impost block
On a column, a block between abacus and capital.
In antis
Of classical columns, set between pilasters or square columns of equal height, often within a portico.
Indent
Shape chiselled out of a stone to receive a monumental brass.