1. Any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
   - acanthocephalan

Derived forms: spiny-headed worms

Type of: worm

Part of: Acanthocephala, phylum Acanthocephala

Encyclopedia: Spiny-headed worm

• Cassius Longinus
• Cassius Marcellus Clay
• cassock
• cassocked
• cassoulet
• cassowary
• cast
• cast about
• cast anchor
• cast around
• cast aside
• cast down
• cast of characters
• cast on
• cast out
• cast-iron
• cast-iron plant
• cast-off
• Castanea
• Castanea chrysophylla
• Castanea crenata
• Castanea dentata
• Castanea mollissima
• Castanea ozarkensis
• Castanea pumila