'Kiss' in the Bible

Then Samuel took the bottle of oil, and put the oil on his head and gave him a kiss and said, Is not the Lord with the holy oil making you ruler over Israel, his people? and you will have authority over the people of the Lord, and you will make them safe from the hands of their attackers round about them, and this will be the sign for you:

The youth hath gone, and David hath risen from Ezel, at the south, and falleth on his face to the earth, and boweth himself three times, and they kiss one another, and they weep one with another, till David exerted himself;