Expanse — Defs

01 n. That which is expanded or spread out; a wide extent of space or body; especially, the arch of the sky.

1.
That which is expanded or spread out; a wide extent of space or body; especially, the arch of the sky.
“Lights . . . high in the expanse of heaven.” — Milton.

“The smooth expanse of crystal lakes.” — Pope.

02 v. t. To expand.

1.
To expand.[Obs.]
“That lies expansed unto the eyes of all.” — Sir. T. Browne.