• Webster's Revised Unabridged Dictionary
    • n Gallivat (Naut) A small armed vessel, with sails and oars, -- used on the Malabar coast.
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Century Dictionary and Cyclopedia
    • n gallivat A large boat used in the far East, rarely exceeding 70 tons in burden, two-masted, and commonly carrying small swivel-guns. The Malay pirates employ these boats on account of their swiftness.
    • ***
Chambers's Twentieth Century Dictionary
    • n Gallivat gal′i-vat a large two-masted Malay boat.
    • ***


Webster's Revised Unabridged Dictionary
Prob. fr. Pg. galeota,; cf. E. galiot, galley,


In literature:

What if he could seize a grab or gallivat in the harbor?
"In Clive's Command" by Herbert Strang
They accordingly joined him with seven grabs and sixty gallivats.
"The History of England in Three Volumes, Vol.II. From William and Mary to George II." by Tobias Smollett