peanut worm
noun
any small, unsegmented, marine worm of the phylum Sipuncula, that when disturbed retracts its anterior portion into the body, giving the appearance of a peanut seed.
Nearby words
peanut, peanut butter, peanut gallery, peanut heaven, peanut oil, peanut worm, peanuts, pear, pear haw, pear psylla, pear thrips
Also called sipunculid.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019