Urechis

noun Ure·chis \ ˈyu̇rəkə̇s , yəˈrek- \

Definition of Urechis

: a genus (the type of the family Urechidae) of large echiuroid worms which are common in mud along the California seacoast and in which a circulatory system is completely lacking so that the blood corpuscles float free in the coelomic fluid

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Origin and Etymology of urechis

New Latin, from 2ur- + Greek echis viper


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