'Touching' in the Bible

"Tell the Israelites, 'If any of you or of your posterity become ceremonially defiled by touching a dead body, or are on a journey far away, then he may observe the Passover to the Lord.

Their wings were spread out above them; each had two wings touching the wings of one of the other beings on either side and two wings covering their bodies.

While I was contemplating all this, a male goat was coming from the west over the surface of all the land without touching the ground. This goat had a conspicuous horn between its eyes.

Then one who appeared to be a human being was touching my lips. I opened my mouth and started to speak, saying to the one who was standing before me, "Sir, due to the vision, anxiety has gripped me and I have no strength.

Then Haggai asked, "If a person who is ritually unclean because of touching a dead body comes in contact with one of these items, will it become unclean?" The priests answered, "It will be unclean."