say it: AHRM-strahng
armstrong is a noun meaning "United States astronaut; the first man to set foot on the Moon (July 20, 1969) (1930-)". It carries 2 recorded senses.
United States astronaut; the first man to set foot on the Moon (July 20, 1969) (1930-)
United States pioneering jazz trumpeter and bandleader (1900-1971)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for armstrong come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.