Nautical. The movable crosspiece of a cross-staff (cross-staff, n. 2). rare (now historical).
| 单词 | θ206000 |
| 释义 | society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > cross-staff > limb of (4) transitory?1574 Nautical. The movable crosspiece of a cross-staff (cross-staff, n. 2). rare (now historical). transom1594 In technical applications. The vane of a cross-staff (cross-staff, n. 2): see quot. 1696. Obsolete. transversary1595 A cross-piece or vane of a cross-staff. Historical. thirty-cross1726 one of the transverse bars of a cross staff, viz. that used for about 30°. |
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