Simple Definition of expanse
: a large and usually flat open space or area
Full Definition of expanse
1 : firmament
2 : great extent of something spread out <an expanse of calm ocean>
Examples of expanse
The explorer gazed across the vast Arctic expanse.
<the great explorers who crossed the vast expanses of the seven seas in small ships>
Origin of expanse
New Latin expansum, from Latin, neuter of expansus, past participle of expandere
First Known Use: 1637
EXPANSE Defined for Kids
Definition of expanse
: a wide area or stretch <an expanse of desert>
Seen and Heard
What made you want to look up expanse? Please tell us where you read or heard it (including the quote, if possible).