What does architecture mean?
The definition of architecture
Ar”chi*tec`ture, n.
Etym: [L. architectura, fr. architectus: cf. F. architecture. See Architect.]

1 The art or science of building; especially, the art of building houses, churches, bridges, and other structures, for the purposes of civil life; — often called civil architecture. Many other architectures besides Gothic. Ruskin.
3 Construction, in a more general sense; frame or structure; workmanship. The architecture of grasses, plants, and trees. Tyndall. The formation of the first earth being a piece of divine architecture. Burnet. Military architecture, the art of fortifications.

— Naval architecture, the art of building ships.