Ge·phyr·ea | \ jəˈfirēə, ˌjefəˈrēə \
Definition of Gephyrea
: a probably artificial group of marine worms variously regarded as a phylum or as a class of Annelida, including Echiuroidea, Sipunculoidea, and Priapuloidea, and comprising worms that are unsegmented as adults and have coeloms and separate sexes and typically a single pair of nephridia
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
Brand Name Vocabulary Quiz
You’re gonna need some moxie to ace this quiz
Commonly Confused Words Quiz
Take a (break/brake) and (pore/pour) over this (c...
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...