Artificial intelligent assistant

stud-sail

ˈstud-sail
  [Of obscure etymology: see studding-sail.]
  = studding-sail.

18.. Falconer's Shipwr. i. 732 (1836) Now swelling stud⁓sails [1762, 1789, 1792 stu'n-sails] on each side extend. 1851 B'ham. & Midl. Gardeners' Mag. Oct. 192 With only a flying stud sail of green boughs at the end of it. 1857 Merc. Marine Mag. (1858) V. 9 In stud-sails and all small sails.

Oxford English Dictionary

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