a small lightship.
noun, Military. 1. a small airplane designed to carry light bomb loads relatively short distances, especially one having a gross loaded weight of less than 100,000 pounds (45,000 kg).
noun 1. a boxlike object having a uniformly lighted surface, as of ground glass, against which films or transparencies can be held for examination. noun 1. a light source contained in a box and covered with a diffuser, used for viewing photographic transparencies, negatives, etc
noun, Midland and Southern U.S. 1. . 2. any bread leavened with yeast.
noun, Meteorology. 1. a wind of 4–7 miles per hour (2–3 m/sec). Compare 1 (def 2). noun 1. a very light wind of force two on the Beaufort scale