'Hair' in the Bible

for indeed, you will conceive and give birth to a son. You must never cut his hair, because the boy will be a Nazirite to God from birth, and he will begin to save Israel from the power of the Philistines.”

he told her the whole truth and said to her, “My hair has never been cut, because I am a Nazirite to God from birth. If I am shaved, my strength will leave me, and I will become weak and be like any other man.”

But his hair began to grow back after it had been shaved.

There were 700 choice men who were left-handed among all these people; all could sling a stone at a hair and not miss.