L

Lancet window

high, narrow opening with a triangular arch.

Lantern turret

occurs in pairs flanking the facades of Romanesque churches. Could be lit at night to guide pilgrims.

Large bond

bond dedicated to large stones laid in courses of equal heights

Lauze stone

flat shale or limestone used as flagstones or roof tiles .

Lay dormitory

large room upstairs in the lay building in an abbey, often with two naves divided by a row of pillars.

Layout

the arrangement of a building on the ground

Lesenes

slightly projecting, flat pilaster on the outside of a building.

lintel

a flat horizontal beam which spans the space between two supports.

Listel

flat, slightly projecting moulding.

Lists

initially a wooden palisade which encircled squares or fortified castles. Then, land between the inner and outer enclosures. Said area was the stage for jousts and tournaments.

Lobe

segment of a circle cut into an arch.

Lookout turret ( echauguette)

"turrets"arose in the medieval period in castles and churches, usually for stairs or as watch towers, in which case they could also be called "échaugettes".