Polychaeta

Found in Anh - Anh (Wordnet)

Definition Noun (plural, treated as singular or plural) : A class of marine annelid worms : Polychaeta refers to a major class of segmented worms (annelids) characterized by having numerous bristles (chaetae) on each body segment. They are predominantly marine organisms. Usage Notes The term "Polychaeta" is used in scientific and zoological contexts to classify a specific group of worms. It is...