plural noun Ac·tin·i·ar·ia \¦ak-ˌti-nē-¦a-rē-ə, -ˈer-ē-\

Definition of Actiniaria

  1. :  an order or suborder of Anthozoa (subclass Zoantharia) comprising the sea anemones which differ from the corals in forming no hard skeleton and in existing as separate individuals

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Origin and Etymology of actiniaria

borrowed from New Latin, from Actinia actinia + -aria 2-aria

First Known Use: 1856

Seen and Heard

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a trip made at another's expense

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