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The Usage Panel is a group of nearly 200 prominent scholars, creative writers, journalists, diplomats, and others in occupations requiring mastery of language. Annual surveys have gauged the acceptability of particular usages and grammatical constructions.
1. The 19th letter of the modern English alphabet.
2. Any of the speech sounds represented by the letter s.
3. The 19th in a series.
4. Something shaped like the letter S.
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airplane, Spirit of St. Louis
The single-engine monoplane in which Charles Lindbergh made the first solo nonstop transatlantic flight in 1927 is at the National Air and Space Museum.
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.