Commentaries:
Moses laid his hands upon Joshua, signifying the transferal of some of his authority to lead the nation. This rite of ordination was always accompanied by a special commission and the giving of special authority.
Martin G. Collins
Basic Doctrines: The Laying On of Hands
Other Forerunner Commentary entries containing Numbers 27:18:
Ezekiel 34:1-10
1 Peter 5:1-3