It might be a misspelling of:
* Expansive: This word means:
* Wide-ranging or comprehensive: "He had an expansive knowledge of history."
* Open and generous: "She had an expansive personality, welcoming everyone with a smile."
* Spacious or large: "The house had an expansive living room with floor-to-ceiling windows."
* Spanning: This word means:
* Extending across a particular space or time: "A bridge spanning the river."
* Encompassing or covering: "A study spanning several decades."
If you have come across this word in a specific context, please provide more information so I can help you understand its meaning.