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Meaning of bipinnaria

bi•pin•nar•i•a

Pronunciation: (bī"pi-nâr'ē-u), [key]
— pl. -nar•i•ae -nar•i•as.
  1. the free-swimming, bilaterally symmetrical larva of certain starfishes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.