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

See also: pointed, spine

Antonym: spineless

• hedgehog cereus
• hedgehop
• hedger
• hedgerow
• hedging
• hediondilla
• Hedjaz
• hedonic
• hedonism
• hedonist
• hedonistic
• Hedysarum
• Hedysarum boreale
• Hedysarum coronarium
• hee-haw
• heebie-jeebies
• heed
• heedful
• heedfully
• heedfulness
• heedless
• heedlessly
• heedlessness
• heel
• heel counter