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单词 nurse-tree
释义

nurse-treen.

Brit. /ˈnəːsˌtriː/, U.S. /ˈnərsˌtri/
Origin: Formed within English, by compounding. Etymons: nurse n.1, tree n.
Etymology: < nurse n.1 + tree n.
1. Forestry. = nurse n.1 4.
ΘΚΠ
the world > plants > by growth or development > defined by habit > tree or woody plant > cultivated or valued > [noun] > shade- or shelter-tree
nurse1788
nurse-tree1805
shade-tree1806
wind-break1861
shelter belt1869
shelter tree1884
shelter wood1889
wind-belt1903
1805 R. W. Dickson Pract. Agric. II. 1089 In mixed plantations the nurse trees should be first gradually thinned out.
1891 B. E. Fernow What is Forestry? 17 Where..the mother or nurse trees are removed, a thicket of young beeches has replaced the old growth.
1953 H. L. Edlin Forester's Handbk. v. 75 Frost-tender trees should never be planted in frost-hollows without the protection of a hardier nurse-tree.
1971 E. Hyams Capability Brown i. v. 49 He [sc. Brown] used some conifers as nurse trees.
1991 Chile Pepper June 23/2 There is higher humidity beneath the nurse trees.
2. A tree which is host to a parasitic plant. Obsolete. rare.
ΘΚΠ
the world > plants > by nutrition or respiration > [noun] > parasite plant > host plant
nurse-plant1857
nurse-tree1857
bridging host1904
bridging species1904
1857 A. Henfrey Elem. Course Bot. §40 The full-grown plant appears rootless, and like a branch or graft upon the nurse-tree.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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n.1805
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