- meg|a|struc|ture
- meg|a|struc|ture «MEHG uh STRUHK chuhr», noun.a very large building: »
Arcology…is a total planned environment—dwellings, factories, utilities, cultural centers—within a single megastructure 1-2 miles wide and up to 300 stories high (Estie Stoll).
Useful english dictionary. 2012.