the horny egg case of certain rays and sharks.
Origin of sea purse
First recorded in 1800–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a tough horny envelope containing fertilized eggs, produced by the female of certain sharks and skatesAlso called: mermaid's purse
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