ex·panse 
/ɪkˈspæns/ noun
plural ex·pans·es /ɪkˈspæns/ noun [count] : a large and usually flat open space or area
▪ The explorer gazed across the vast Arctic expanse. — usually + of ▪ the vast/broad expanse of the ocean ▪ an expanse of desert ▪ great expanses of pavement
▪ The explorer gazed across the vast Arctic expanse. — usually + of ▪ the vast/broad expanse of the ocean ▪ an expanse of desert ▪ great expanses of pavement
