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.
History âs Vikings returned for its second season at 10 PM last night, capturing 3.6 million viewers â including 1.7 million adults 18-49, of whom 1.1 million were guys, and 1.8 million adults 25-54, of whom 1.2 million were men.istory notes that last nightâs debut was up 3% in total viewers, 10% in men 25-54 and 18-49, and 6% in adults 18-49 compared to the average for those episodes.