Artificial intelligent assistant

chess-tree

ˈchess-tree Naut.
  (See quot. 1769.)
  [The sense and form would fairly suit derivation from chase n.3, F. chas needle-eye, etc.; but no formal evidence in support has been found.]

1627 Smith Seaman's Gram. v. 23 Tackes are..reeued first thorow the chestres. 1644 H. Manwayring Seaman's Dict., Cheteres. 1669 Sturmy Mariner's Mag. i. i. 18 Get the main Tack close down, in the Cheese-tree. 1762 Falconer Shipwr. ii. 210 Then to the chess-tree drag the unwilling tack. 1769Dict. Marine (1789) Ches-trees, two pieces of wood bolted perpendicularly, one on the starboard, and the other on the larboard side of the ship. They are used to confine the clue, or lower corners of the mainsail; for which purpose there is a hole in the upper part through which the rope passes that..extends the clue..to windward. 1833 Marryat P. Simple xv, A huge wave..struck us on the chess-tree, and deluged us..fore and aft.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC cad70b962d76d31c36b0a37e61f77a8e