1. Shaped like a spine or thorn
   - acanthoid, spinous

See also: acantha, pointed

• adoringly
• adorn
• adorned
• adornment
• adown
• adoxography
• ADP
• ADP system
• adpressed
• ADPS
• adrenal
• adrenal cortex
• adrenal cortical steroid
• adrenal gland
• adrenal medulla
• adrenalectomy
• Adrenalin
• adrenaline
• adrenarche
• adrenergic
• adrenergic agonist eyedrop
• adrenergic drug
• adrenocortical
• adrenocorticotrophic
• adrenocorticotrophic hormone