Machicolations Openings in a floor allowing missiles to be dropped on the enemy below

Malvoisin A large mound of earth or stone built by attackers near a castle used for firing from

Mangonel A siege engine used for throwing large stones

Mason A craftsman who cuts and builds with stone

Merlon The 'teeth' of the battlements between crenels

Minster Large church originally linked to a monastery

Moat A ditch surrounding a building filled with water

Monastery Where monks or nuns live

Monk A man who has taken vows and joined a religious community

Motte A large earth mound either natural or artificial on which a keep is built

Mouldings Ornamental lines of carved projections under or over a plain surface

Mullion Vertical bars in windows that divide the area into smaller sections

Murder-hole Openings in a floor allowing missiles to be dropped on the enemy below

Nave The main body of a church from the west end to the choir. The nave could be divided north and south by screens (More...)

Newel Stair Spiral staircase made of keyhole shaped stones

Niche An ornamental recess in a wall containing a statue

Obelisk Memorial stone column

Ogree Arch A pointed arch with both concave and convex parts

Oratory A small cell attached to a chapel

Oriel A kind of bay window