1. Echinoderms characterized by five arms extending from a central disk
   - sea star

Derived forms: starfishes

Type of: echinoderm

Part of: Asteroidea, class Asteroidea

Encyclopedia: Starfish

• trioxide
• trip
• trip hop
• trip line
• trip out
• trip the light fantastic
• trip the light fantastic toe
• trip wire
• trip-up
• tripalmitin
• tripartite
• tripe
• triphammer
• triphosphopyridine
• triphosphopyridine nucleotide
• triphosphoric acid
• triphthong
• triphthongal
• tripinnate
• tripinnated
• tripinnatifid
• triplane
• triple
• triple cream
• triple crème