from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A standard paper size, defined by ISO 216 to have dimensions: 841 x 594 mm (840.90 x 594.60 mm)
- adj. In good health.
- adj. In excellent or top condition.
- proper n. Under the International Union of Railways ("UIC") classification system, a steam locomotive that has two coupled driving wheels followed by two trailing wheels, with no leading wheels; also called an 0-2-2.
See the Wikipedia article ISO 216, the international standard on paper sizes. (Wiktionary)
From various rating systems, as that of Lloyd's of London or the condition of insured ships. (Wiktionary)