An unsegmented burrowing marine worm with a stout body and a slender retractable anterior part bearing a terminal mouth surrounded by tentacles.
星虫
Phylum Sipuncula
Example sentencesExamples
Settling near a hungry snail could be disastrous for a peanut worm, and landing too far from kelp would doom a sea urchin to starvation.
Sipunculans, or peanut worms, have an unsegmented body with a retractable introvert.
Definition of peanut worm in US English:
peanut worm
noun
An unsegmented burrowing marine worm with a stout body and a slender anterior part. The latter bears a terminal mouth surrounded by tentacles, and can be retracted into the trunk.
星虫
Phylum Sipuncula
Example sentencesExamples
Settling near a hungry snail could be disastrous for a peanut worm, and landing too far from kelp would doom a sea urchin to starvation.
Sipunculans, or peanut worms, have an unsegmented body with a retractable introvert.