A lesene is an architectural term for a narrow, low-relief, vertical pillar in a wall. It resembles a pilaster, but does not have a base or capital.[1]
Lesenes are used in architecture to divide a facade or other wall surface optically, albeit - unlike pilasters - without a base or capital. Their function is ornamental, not just to decorate the plain surface of a wall but, in the case of corner lesenes, to emphasise the edges of a building.