aqua

noun

1
plural aquae ˈä-ˌkwī How to pronounce aqua (audio)
also
ˈa-(ˌ)kwē How to pronounce aqua (audio)
: water
especially : water sense 5a(2)
2
plural aquas : a light greenish-blue color

Examples of aqua in a Sentence

Recent Examples on the Web
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One began in March after the department received an anonymous complaint about a valve on an aqua ammonia clarifier tank, not the same tank involved in the explosion, the department said. Jeanine Santucci, USA Today, 29 May 2026 By employing his knowledge of advanced technology to achieve his goal of crafting a spaceship to transport life-giving water back to his dry planet, Newton creates enormous wealth for his insane aqua-ark idea. Jeff Spry, Space.com, 29 May 2026 As for the pools themselves, there is the eight-lane, 25-yard lap pool for lap swim, while the second, six-lane infinity pool is reserved for lighter workouts, such as classes in water walking and aqua aerobics. Martha Ross, Mercury News, 28 May 2026 The resort’s wellness programming also includes a gym, sports courts, and a slate of daily fitness classes, from hatha yoga to circuit boot camps and aqua aerobics. Lydia Price, Travel + Leisure, 25 May 2026 See All Example Sentences for aqua

Word History

Etymology

Latin — more at island

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of aqua was in the 14th century

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Cite this Entry

“Aqua.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aqua. Accessed 1 Jun. 2026.

Kids Definition

aqua

noun
: a light greenish blue

Medical Definition

aqua

noun
plural aquae ˈak-(ˌ)wē How to pronounce aqua (audio) ˈäk-ˌwī How to pronounce aqua (audio) or aquas
: water
especially : an aqueous solution

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