Definition of leaf

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Leaf (n.) A special organ of vegetation in the form of a lateral outgrowth from the stem, whether appearing as a part of the foliage, or as a cotyledon, a scale, a bract, a spine, or a tendril..

Lern More About Leaf

Mesophyllum :: Mesophyllum (n.) The parenchyma of a leaf between the skin of the two surfaces.
Obverse :: Obverse (a.) Having the base, or end next the attachment, narrower than the top, as a leaf..
Edentate :: Edentate (a.) Destitute of teeth; as, an edentate quadruped; an edentate leaf..
Phyllostome :: Phyllostome (n.) Any bat of the genus Phyllostoma, or allied genera, having large membranes around the mouth and nose; a nose-leaf bat..
Straight :: Straight (superl.) Approximately straight; not much curved; as, straight ribs are such as pass from the base of a leaf to the apex, with a small curve..
Folium :: Folium (n.) A curve of the third order, consisting of two infinite branches, which have a common asymptote. The curve has a double point, and a leaf-shaped loop; whence the name. Its equation is x3 + y3 = axy..
Quinquelobared :: Quinquelobared (a.) Cut less than halfway into portions, usually somewhat rounded; five-lobed; as, a quinquelobate leaf or corolla..
Quadrilobed :: Quadrilobed (a.) Having four lobes; as, a quadrilobate leaf..
Vein :: Vein (n.) One of the similar branches of the framework of a leaf.
Sigillaria :: Sigillaria (n.) A genus of fossil trees principally found in the coal formation; -- so named from the seallike leaf scars in vertical rows on the surface.
Frond :: Frond (n.) The organ formed by the combination or union into one body of stem and leaf, and often bearing the fructification; as, the frond of a fern or of a lichen or seaweed; also, the peculiar leaf of a palm tree..
Depressed :: Depressed (a.) Concave on the upper side; -- said of a leaf whose disk is lower than the border.
Bristle-shaped :: Bristle-shaped (a.) Resembling a bristle in form; as, a bristle-shaped leaf..
Myrtiform :: Myrtiform (a.) Resembling myrtle or myrtle berries; having the form of a myrtle leaf.
Leafstalk :: Leafstalk (n.) The stalk or petiole which supports a leaf.
Pedate :: Pedate (a.) Palmate, with the lateral lobes cleft into two or more segments; -- said of a leaf..
Pedatifid :: Pedatifid (a.) Cleft in a pedate manner, but having the lobes distinctly connected at the base; -- said of a leaf..
Pyroscope :: Pyroscope (n.) An instrument for measuring the intensity of heat radiating from a fire, or the cooling influence of bodies. It is a differential thermometer, having one bulb coated with gold or silver leaf..
Falcated :: Falcated (a.) Hooked or bent like a sickle; as, a falcate leaf; a falcate claw; -- said also of the moon, or a planet, when horned or crescent-formed..
Leaviness :: Leaviness (n.) Leafiness.
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