say it: SPEK-tay-tur
spectator is a noun meaning "a close observer; someone who looks at something (such as an exhibition of some kind)". It carries 2 recorded senses.
a woman's pump with medium heel; usually in contrasting colors for toe and heel
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 spectator 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.