barque UK /bɑːk/US /bɑɹk/ noun3 •A sailing vessel of three or more masts, with all masts but the sternmost square-rigged, the sternmost being fore-and-aft-riggedOn being told, however, that the Norwegian barque Daphne was about to leave An-peng for Tamsui, I had my things taken on board, and we set sail a few hours later. — 1873 •(literary) A sailing vessel or boat of any kind.Barque of phosphor On the palmy beach… — 1922 •(no longer used) Any small sailing vessel. formsbarques