| 单词 | traverse board |
| 释义 | > as lemmastraverse board traverse board n. Nautical (now historical) a board marked with the points of the compass, having holes into which pegs may be inserted to record a ship's course and speed for use in dead reckoning (cf. sense 16, Phrases 3a). ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > board or scale on which course is indicated traverse board1597 traverse1627 traverse-scale1669 1597 W. Barlow Navigator's Supply sig. H3v Whensoeuer you haue opportunitie to obserue the Latitude, drawe your Parallele vpon the Trauerse boorde according thereunto. 1704 J. Harris Lexicon Technicum I Traverse-Board..upon it, by moving of a little Peg from Hole to Hole, the Steers-man keeps an account how many Glasses (that is, half Hours) the Ship Steers upon any Point. 2009 P. Glennie & N. Thrift Shaping Day viii. 286 Use of the traverse board was increasing through the sixteenth century. < as lemmas |
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