/ ˈɑːkɪtektʃə(r); NAmE ˈɑːrk-/ noun
[ U ] the art and study of designing buildings :
to study architecture
[ U ] the design or style of a building or buildings :
the architecture of the eighteenth century
[ C , U ] ( computing ) the design and structure of a computer system
mid 16th cent.: from Latin architectura , from architectus from Greek arkhitektōn , from arkhi- chief + tektōn builder.