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

See also: pointed, spine

Antonym: spineless

• sad
• sad sack
• sad-faced
• Sadat
• Saddam
• Saddam bin Hussein at-Takriti
• Saddam Hussein
• Saddam's Martyrs
• sadden
• saddhu
• saddle
• saddle blanket
• saddle block anaesthesia
• saddle block anesthesia
• saddle feather
• saddle hackle
• saddle horn
• saddle horse
• saddle of lamb
• saddle oxford
• saddle oyster
• saddle point
• saddle roof
• saddle seat
• saddle shoe