expanse
noun
[ ɪkˈspans ]
• a wide continuous area of something.
• "the green expanse of the forest"
Similar:
area,
stretch,
sweep,
tract,
swathe,
plain,
field,
belt,
region,
sea,
carpet,
blanket,
sheet,
breadth,
range,
spread,
reach,
space,
extent,
vastness,
Origin:
mid 17th century: from modern Latin expansum ‘something expanded’, neuter past participle of expandere (see expand).