Definition of planula in English:

Share this entry


Pronunciation: /ˈplanjʊlə/

noun (plural planulae /ˈplanjʊliː/)

A free-swimming coelenterate larva with a flattened, ciliated, solid body: [as modifier]: a planula larva
More example sentences
  • Fertilized eggs may be brooded for a time or may develop directly into a free-swimming, ciliated planula larva.
  • The planula larva settles on a hermit crab shell and metamorphoses into a primary polyp.
  • The planula larva has very few apoptotic cells.


Late 19th century: modern Latin, diminutive of Latin planus 'plane, flat'.

For editors and proofreaders

Line breaks: pla|nula

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.