1. Having spines
   "the dorsal fin is spinous"
   - spiny 
2. Shaped like a spine or thorn
   - acanthoid, acanthous

See also: pointed, spine

Antonym: spineless

• Belemnoidea
• Belfast
• belfry
• Belgian
• Belgian beef stew
• Belgian capital
• Belgian Congo
• Belgian endive
• Belgian franc
• Belgian griffon
• Belgian hare
• Belgian sheepdog
• Belgian shepherd
• Belgian waffle
• Belgique
• Belgium
• Belgrade
• Belial
• belie
• belief
• believability
• believable
• believably
• believe
• believe in