- The definition of aqua is a light shade of blue with some green in it.
An example of aqua is the color peacock blue.
Peacock feathers against an aqua background.
nounpl. aq·uae or aq·uas
- An aqueous solution.
- A light bluish green to light greenish blue.
Origin of aquaMiddle English, from Latin; see akw-ā- in Indo-European roots.
Origin of aqua-From Latin aqua, water; see aqua.
(countable and uncountable, plural aquas or aquae)
(comparative more aqua, superlative most aqua)
- Of a greenish-blue colour.
- Pertaining to water