leaf sheath

leaf sheath
A structure at the base of a leafs petiole that partly surrounds or protect the stem or another organ that it subtends.

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  • leaf-sheath — leafˈ sheath noun A leaf base more or less completely enveloping the stem • • • Main Entry: ↑leaf …   Useful english dictionary

  • leaf sheath — noun 1. : sheath 2b 2. : ocrea …   Useful english dictionary

  • Sheath — may refer to:* Scabbard, a container for a sword or other large blade * Condom, a kind of contraception * Vagina, the internal structure of the female genitalia * Koteka, a penis sheath worn by some natives of New Guinea * Debye sheath, a layer… …   Wikipedia

  • sheath — I (New American Roget s College Thesaurus) n. scabbard, sheathing, case, envelope, casing; involucre, capsule, fascia, lorica. See covering, receptacle. II (Roget s IV) n. Syn. case, scabbard, cover, spathe, sheathing, cere. Specialized sheaths… …   English dictionary for students

  • Sheath — Sheath, n. [OE. schethe, AS. sc[=ae][eth], sce[ a][eth], sc[=e][eth]; akin to OS. sk[=e][eth]ia, D. scheede, G. scheide, OHG. sceida, Sw. skida, Dan. skede, Icel. skei[eth]ir, pl., and to E. shed, v.t., originally meaning, to separate, to part.… …   The Collaborative International Dictionary of English

  • Sheath knife — Sheath Sheath, n. [OE. schethe, AS. sc[=ae][eth], sce[ a][eth], sc[=e][eth]; akin to OS. sk[=e][eth]ia, D. scheede, G. scheide, OHG. sceida, Sw. skida, Dan. skede, Icel. skei[eth]ir, pl., and to E. shed, v.t., originally meaning, to separate, to… …   The Collaborative International Dictionary of English

  • Sheath of Schwann — Sheath Sheath, n. [OE. schethe, AS. sc[=ae][eth], sce[ a][eth], sc[=e][eth]; akin to OS. sk[=e][eth]ia, D. scheede, G. scheide, OHG. sceida, Sw. skida, Dan. skede, Icel. skei[eth]ir, pl., and to E. shed, v.t., originally meaning, to separate, to… …   The Collaborative International Dictionary of English

  • sheath — [shēth] n. pl. sheaths [shēthz, shēths] [ME schethe < OE sceath, akin to Ger scheide < IE base * skei , to cut, split, divide (> L scire, to know): the earliest form of sheath was prob. a split stick] 1. a case for the blade of a knife,… …   English World dictionary

  • Leaf — For other uses, see Leaf (disambiguation). The leaves of a Beech tree …   Wikipedia

  • leaf — I (New American Roget s College Thesaurus) n. frond, blade; lamina, sheet, flake; sheet, page. See vegetable, layer. II (Roget s IV) n. 1. [The leafy organ of a plant] Syn. leaflet, needle, bract, petiole, blade, frond, stalk, stipule, scale,… …   English dictionary for students

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