Architecture

Ditch; moat. [CKJ1, ch.135]

1. Postern gate.
2. Secondary gate in a city or castle walls, usually in an inconspicuous location, allowing people to come in and out quietly and without attracting attention. These could be very useful in a siege, allowing supplies to be brought in, or messages to be sent out, but they could also be used to let the enemy in. For this reason they are called "porta da traição" (traitors' gate) in Portuguese.

1. Keep; citadel.
2. Fortress with a seigneurial residence.

1. Rampart.
2. Defensive wall encircling a castle or city, usually wide enough to allow for a walkway on the top.

Wooden piles; supports made out of wooden spars.

1. Barbican.
2. Outer rampart of a castle.

1. Jetty; jettied floor.
2. Upper floor or storey of a medieval house extending beyond the floor below. This creates a sort of  upside down staircase effect, when each floor sticks further out than the floor below. See the attached picture of a house in Rua Direita, Chaves, N. Portugal.

1. Gate (of walled city/town). [Pedro, 17: 183]
2. Barricade, stockade; field with stockade or pavisade where crossbowmen were trained. [João2, ch.166]

1. Square tower.
2. Tower with a cubic shape.