The meanings of Thurisaz:
• reactive power, reactive force
• catalyst for regeneration
• unconscious forces
• conflicts, disputes
• magical power
• forces of good OR
• forces of chaos
Thorn (old English)
This rune is called after the Norse word Thurs, used for giants in Norse mythology.
(Think Thor cracking a bolt of lightning and his massive force being used intelligently for the greater good.)
Thurisaz signifies the use of conscious wisdom as opposed to brute strength or violence because of ignorance.