noun.a lateral outgrowth from a plant stem that is typically a flattened expanded variably shaped greenish organ, constitutes a unit of the foliage, and functions primarily in food manufacture by photosynthesis

• trees in full leaf
• added a leaf to the table to accommodate more people

noun.a modified leaf (such as a bract or sepal) primarily engaged in functions other than food manufacture

noun.foliage

verb.to shoot out or produce leaves

• will leaf out in spring
• leaf through a book

verb.to turn over pages especially to browse or skim

verb.to turn over the pages of