noun Stav·ros Spy·ros [stahv-raws spee-raws] /ˈstɑv rɔs ˈspi rɔs/, 1909–1996, Greek businessman and shipowner. nounStavros Spyro (ˈstævrɒs ˈspɪərəʊ). 1909–96, Greek shipowner. He pioneered the use of supertankers in the 1950s