parchment worm
noun
any of several polychaete worms of the genus Chaetopterus that secrete and live in a U-shaped, parchmentlike tube.
Words nearby parchment worm
parcener,
parch,
parcheesi,
parchment,
parchment paper,
parchment worm,
parchmentize,
parclose,
parcours,
parcourse,
pard