Legal term
[Vila Nova de Gaia] Ot: Alinhamento
Line that is defined by the intersection of the vertical planes of the facades, walls or fences, with the plane of the streets or adjacent land.1
[Lisbon] Ot: Alinhamento
Delimitation of the public domain in relation to the urban buildings that border it, particularly in situations where they face a public road. Alignment is a proto-urban parameter and its adoption was originally intended to regulate the placement of urban buildings along streets, roads and public paths. The placement of buildings in relation to the front of the urban building is defined by the urban parameter known as setback.2
1: Aviso n.º 14327/2009 Diário da República, 2.ª série — N.º 155 — 12 de Agosto de 2009 (Plano Diretor Municipal - Vila Nova de Gaia)
2: Manual Técnico do Plano Diretor Municipal de Lisboa