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sea purse

noun
  1. the horny egg case of certain rays and sharks.
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Origin of sea purse

First recorded in 1800–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for sea purse

sea purse

noun
  1. a tough horny envelope containing fertilized eggs, produced by the female of certain sharks and skatesAlso called: mermaid's purse
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012