tam apatantam tarasa visayudhah
dadbhih suparnam vyadasad dad-ayudhah
As Garuda swiftly fell upon him, Kaliya, who had the weapon of poison, raised his numerous heads to counterattack. Showing his ferocious tongues and expanding his horrible eyes, Kaliya then bit Garuda with the weapons of his fangs.
The acaryas explain that Kaliya used his weapon of poison at a distance by spitting venom upon his enemy and at short range by biting him with his terrible fangs.