| 单词 |
trefle |
| 释义 |
trefle, n.|ˈtrɛf(ə)l|
Also 6 trayfle, 9 treffle.
[a. F. trèfle (16th c. treffle, 1314 tresfle, in Hatz.-Darm.):—pop. L. *trifolum for cl. L. trifolium.]
†1. = trefoil 1. Obs.
1510Stanbridge Vocab. (W. de W.) D ij b, Trifolium, trefle grasse. 1527Andrew Brunswyke's Distyll. Waters K j, Trayfles, Trifolium in latyn.
2. Mil. A mine having three chambers: see quots.
1756Manningham Compl. Treat. Mines 104–5 [contains full description and figures]. 1853Stocqueler Milit. Encycl., Trefle (Trefoil), a term used in mining, from the similarity of the figure to trefoil. The simple trefle has only two lodgments; the double trefle, four; and the triple one, six. 1877Knight Dict. Mech., Trefle (Fortification), a mine with three chambers, like a trefoil.
3. A figure or arrangement like that of a triple leaf: = trefoil 3.
1877Coues & Allen N. Amer. Rod. 151 Anterior lower molar of 5 to 8 prisms, of which the anterior forms an irregular treffle. 1889Pall Mall G. 3 Jan. 4/1 The placing of the Maxim gun underneath the orchestra,..pointing across the ballroom... Around it was a trefle of harness and carbines. |
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