| porpita | <zoology> A genus of bright-coloured Siphonophora found floating in the warmer parts of the ocean. The individuals are round and disk-shaped, with a large zooid in the center of the under side, surrounded by smaller nutritive and reproductive zooids, and by slender dactylozooids near the margin. The disk contains a central float, or pneumatocyst. Origin: NL, from Gr. Brooch. Source: Websters Dictionary (01 Mar 1998) |
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