What does "wingspan" mean?

The distance from the left wingtip to the right wingtip (of a bird, airplane etc.).

What is a synonym for "wingspan"?

Common synonyms include: wingspread, range, reach, scope, span, wing span.

noun

noun ·2 syllables ·Rare ·Advanced level

Noun

1
The distance from the left wingtip to the right wingtip (of a bird, airplane etc.).
"The wandering albatross has the largest wingspan of any living bird."
2
linear distance between the extremities of an airfoil wordnet
3
Synonym of arm span.

"It has a wingspan of about four inches."

From wing + span.