[From the name of the first boat of the kind brought from America to England in 1853.] A catboat. Also attrib.
1878. D. Kemp, Man. Yacht Sailing, xvi. 171. In less than a year there was a whole fleet of Unas at Cowes. Ibid., 174. The Cowes Una boat of the present time.
1880. G. C. Davies, Pract. Boat Sailing, 42. The mast is more inboard than the real Unas.
1889. E. F. Knight, Sailing, 36. The Cat or Una rig is generally preferred by the Americans.
