1. Large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse
   - king crab, Limulus polyphemus, Xiphosurus polyphemus

Derived forms: horseshoe crabs

Type of: arthropod

Part of: genus Limulus, Limulus

Encyclopedia: Horseshoe crab

• tetrahydrocannabinol
• tetrahymena
• tetraiodothyronine
• tetralogy
• tetralogy of Fallot
• tetramerous
• tetrameter
• tetramethyldiarsine
• tetrametric
• Tetraneuris
• Tetraneuris acaulis
• Tetraneuris grandiflora
• tetranychid
• Tetranychidae
• Tetrao
• Tetrao urogallus
• Tetraodontidae
• Tetraonidae
• tetrapod
• Tetrapturus
• tetrarch
• tetrarchy
• tetrasaccharide
• tetraskele
• tetraskelion