| 释义 |
redan|rɪˈdæn|
Also 8 reden(t, redant (and erron. redans, -ens).
[a. F. redan (1677) for redent ‘a double notching or iagging, as in the teeth of a saw’ (Cotgr.), f. re- re- + dent tooth.]
1. Fortif. A simple form of field-work, having two faces which form a salient angle.
1689[see b]. 1704J. Harris Lex. Techn. I, Redent, in Fortification [etc.]. 1706Phillips (ed. Kersey), Redan or Redent. 1727–41Chambers Cycl. s.v., Redens are frequently used in the fortifying of walls, where it is not necessary to be at the expense of building bastions. 1762Sterne Tr. Shandy VI. xxi, A number of small piquets driven into the ground at the several angles and redans. 1776in Sparks Corr. Amer. Rev. (1853) I. 159 It was..my intention to throw up a great number of large flèches or redans at certain distances, one behind another. 1828J. M. Spearman Brit. Gunner (ed. 2) 213 The distances of the redans from each other should not exceed 120 yards, in order that the fire from the faces of one redan may defend the saliants of the next. 1864Burton Scot Abr. I. v. 294 The long ranges of bastions and redans which covered miles of land under..Vauban.
transf.1878T. Hardy Ret. Native i. vi, Not on the level ground, but on a salient corner or redan of earth, at the junction of two converging bank fences.
b. attrib.
1689Lond. Gaz. No. 2478/2 Having view'd the Ground, [he] staked out a Redent Work with Redoubts. 1834–47J. S. Macaulay Field Fortif. (1851) 31 To reduce the number of points of attack in a continued redan line, the salient of the large redan may be placed more in advance.
2. (See quot.)
1848Craig, Redan, a projection in a wall on uneven ground to render it level. [Hence in Ogilvie (1850), and later Dicts., but it is doubtful whether this sense of the Fr. word has ever been adopted in Eng.] |