Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The claw in a dream is a man's weapon and his strength. The strength of the claw indicates the man's strength in facing his enemies.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The claw indicates adherence to religion or a position. Whoever sees that he has claws, his authority will strengthen and he will overcome his enemies.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The claw is interpreted as strength and victory. Whoever sees an animal scratch him with its claw will be harmed by an enemy.