The Collaborative International Dictionary
Lenticel \Len"ti*cel\ (l[e^]n"t[i^]*s[e^]l), n. [F. lenticelle, dim. fr. L. lens, lentis, a lentil. Cf. Lentil.] (Bot.)
One of the small, oval, rounded spots upon the stem or branch of a plant, from which the underlying tissues may protrude or roots may issue, either in the air, or more commonly when the stem or branch is covered with water or earth.
A small, lens-shaped gland on the under side of some leaves.
Wiktionary
n. 1 One of the small, oval, rounded spots upon the stem or branch of a plant, from which the underlying tissues may protrude or roots may issue, either in the air, or more commonly when the stem or branch is covered with water or earth. 2 A small, lens-shaped gland on the under side of some leaves.
WordNet
n. one of many raised pores on the stems of woody plants that allow the interchange of gas between the atmosphere and the interior tissue
Wikipedia
A lenticel is a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of dicotyledonous flowering plants. It functions as a pore, providing a pathway for the direct exchange of gases between the internal tissues and atmosphere through the bark, which is otherwise impermeable to gases. The name lenticel, pronounced with an [], derives from its lenticular ( lens-like) shape. The shape of lenticels is one of the characteristics used for tree identification.
Usage examples of "lenticel".
External surface, pale greyish brown to dark brown, nearly smooth, more or less scaly and roughened, with numerous warts or lenticels, the scales soft with sometimes a brownish-black fungus on them, inner side whity brown and longitudinally striate.