'Pray' in the Bible

Repent therefore of this thy wickedness, and pray the Lord, if perhaps the thought of thy heart shall be forgiven thee.

And Simon answered and said, Pray ye for me to the Lord, that none of the things which ye have spoken come upon me.

And the eunuch answered Philip, and said, I pray thee, of whom speaketh the prophet this? of himself, or of some other?

Now on the morrow, as they were on their journey, and drew nigh unto the city, Peter went up upon the housetop to pray, about the sixth hour: