† 1. ? A kind of firework. Also attrib. Obs.
1799. G. Smith, Laboratory, I. 22. Taking two measures for each lay of water-cat-charge, and a little corn powder between each. Ibid., 24. Charges for water-cats.
2. A book-name of a variety of otter (see quot.).
1889. Century Dict., Water-cat, the nair, or Oriental otter Lutra nair, translating a Mahratta name.
