Leaf. A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants.eaf (noun). something which is like a leaf in being wide and thin and having a flat surface, or in being attached to a larger body by one edge or end; as : (a) A part of a book or folded sheet containing two pages upon its opposite sides.
Production on Vikings season 4 is set to begin this spring in Ireland (presumably for an early 2016 premiere), while its third season will wrap up in about a month, on April 23rd.
The third season began airing on 20 February 2015 on Amazon Video. In Australia, the series premiered on 8 August 2013 on SBS One. It was later moved to FX, which debuted the second season on 4 February 2015. Season 3 of Vikings began broadcasting in Australia on SBS One on 19 March 2015.ilmed in Ireland, it premiered on 3 March 2013 in the United States and Canada. Vikings is inspired by the sagas of Viking Ragnar Lothbrok, one of the best-known legendary Norse heroes and notorious as the scourge of England and France.