Tardigrada

Từ điển WordNet v3.1 - WordNet Dictionary

noun

in some classifications considered a separate phylum: microscopic arachnid-like invertebrates living in water or damp moss having 4 pairs of legs and instead of a mouth a pair of stylets or needlelike piercing organs connected with the pharynx
• Syn:
class Tardigrada
• Hypernyms:
class
• Member Holonyms:
Arthropoda, phylum Arthropoda
• Member Meronyms:
tardigrade