jackcrosstreen.

Brit.

/ˌdʒakˈkrɒstriː/, U.S.

/ˌdʒækˈkrɔsˌtri/,

/ˌdʒækˈkrɑsˌtri/

Origin: Formed within English, by compounding. Etymons: Jack n.², cross-tree n.

Etymology: < Jack n.² + cross-tree n. Compare jack n.⁴

Nautical. Now historical and rare.

Either of the highest pair of crosstrees (cross-tree n. 1) on a ship, supporting the jackstaff and often used as a lookout. Also: either of a pair of crosstrees at the head of the topgallant mast, supporting the royal and skysail masts.

ΘΚΠ

society > travel > travel by water > vessel, ship, or boat > equipment of vessel > masts, rigging, or sails > spar > [noun] > mast > cross-trees

cross-tree1626

Jack1829

jackcrosstree1835

1835 Boston Pearl 8 Aug. 384/3 Two jack-cross trees were made by the captain.

1918 W. J. Thompson Wooden Shipbuilding 121 Jacob's ladder, a ladder..used..for getting up to the jack crosstrees.

1983 P. O'Brian Treason's Harbour vi. 186 One screeched ‘There she lays!’ from the fore jackcrosstrees.

This entry has been updated (OED Third Edition, March 2018; most recently modified version published online March 2022).

单词	jackcrosstree
释义	jackcrosstreen. Brit. /ˌdʒakˈkrɒstriː/, U.S. /ˌdʒækˈkrɔsˌtri/, /ˌdʒækˈkrɑsˌtri/ Origin: Formed within English, by compounding. Etymons: Jack n.², cross-tree n. Etymology: < Jack n.² + cross-tree n. Compare jack n.⁴ Nautical. Now historical and rare. Either of the highest pair of crosstrees (cross-tree n. 1) on a ship, supporting the jackstaff and often used as a lookout. Also: either of a pair of crosstrees at the head of the topgallant mast, supporting the royal and skysail masts. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > masts, rigging, or sails > spar > [noun] > mast > cross-trees cross-tree1626 Jack1829 jackcrosstree1835 1835 Boston Pearl 8 Aug. 384/3 Two jack-cross trees were made by the captain. 1918 W. J. Thompson Wooden Shipbuilding 121 Jacob's ladder, a ladder..used..for getting up to the jack crosstrees. 1983 P. O'Brian Treason's Harbour vi. 186 One screeched ‘There she lays!’ from the fore jackcrosstrees. This entry has been updated (OED Third Edition, March 2018; most recently modified version published online March 2022). < n.1835
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