plan·​u·​la ˈplan-yə-lə How to pronounce planula (audio)
plural planulae ˈplan-yə-ˌlē How to pronounce planula (audio)
: the very young usually flattened oval or oblong free-swimming ciliated larva of a cnidarian

Word History


New Latin, from Latin planus level, flat — more at floor

First Known Use

1835, in the meaning defined above

Time Traveler
The first known use of planula was in 1835

Dictionary Entries Near planula

Cite this Entry

“Planula.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

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