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- Dictionaryleaf/liːf/
noun
- 1. a flattened structure of a higher plant, typically green and blade-like, that is attached to a stem directly or via a stalk. Leaves are the main organs of photosynthesis and transpiration: "many of the trees had lost their leaves" Similar
- 2. a thing that resembles a leaf in being flat and thin.
verb
- 1. (of a plant, especially a deciduous one in spring) put out new leaves: "many plants need a period of dormancy before they leaf and flower" Similar
- 2. turn over (the pages of a book or the papers in a pile), reading them quickly or casually: "he leafed through the stack of notes" Similar
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The meaning of LEAF is 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.
LEAF definition: 1. one of the flat, usually green parts of a plant that are joined at one end to the stem or…. Learn more.
An appendage growing from the stem of a plant. Leaves are extremely variable in form and function according to species. For example, the needles of pine trees, the spines of cacti, and the bright red parts of the poinsettia plant are all leaves modified for different purposes.
A leaf (pl.: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, flower, and fruit collectively form the shoot system.
noun. a sheet of any written or printed material (especially in a manuscript or book) synonyms: folio. see more. verb. turn over pages. “ leaf through a book” “ leaf a manuscript” see more. verb. look through a book or other written material. “She leafed through the volume” synonyms: flick, flip, riff, riffle, thumb. see more. noun.
Definition of leaf noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
the green pigment of plants and photosynthetic algae and bacteria that traps the energy of sunlight for photosynthesis and exists in several forms, the most abundant being chlorophyll a (C 55 H 72 O 5 N 4 Mg): used as a colouring agent in medicines or food ( E140) chloroplast fruit chlorophyll.
one of the flat, usually green parts of a plant that are joined at one end to the stem or branch: a palm leaf. autumn leaves. He was raking up leaves in his yard. Akepong Srichaichana/EyeEm/GettyImages. be in leaf/come into leaf. When a plant is in leaf or when it comes into leaf, it has or gets leaves on it: The trees are in leaf early this year.
1. A usually green, flattened, lateral structure attached to a stem and functioning as a principal organ of photosynthesis and transpiration in most plants. 2. A leaflike organ or structure. 3. a. Leaves considered as a group; foliage. b. The state or time of having or showing leaves: trees in full leaf. 4.
a flat, green part of a plant that grows from a stem or branch: an oak leaf. a lettuce leaf. the falling leaves. Fewer examples. a maple leaf. autumn leaves. A lot of trees shed their leaves in the autumn. You can recognize trees by the shape of their leaves.
