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

See also: pointed, spine

Antonym: spineless

• Denisonia
• Denisonia superba
• denitrification
• denitrify
• denizen
• Denmark
• Denmark Vesey
• Dennis Gabor
• Dennstaedtia
• Dennstaedtia punctilobula
• Dennstaedtiaceae
• healthier
• healthily
• healthiness
• healthy
• heap
• heap up
• heaps
• hear
• hear hear
• hear out
• hearable
• heard
• hearer
• hearing