The word "spicated" is pronounced as /speɪtɪd/, which explains its spelling. The IPA phonetic transcription shows that the "s" is followed by the "p" sound, which is then followed by the long "a" sound. The "t" sound is then added, followed by the short "i" sound, which is finally followed by the "d" sound at the end. Spicated is an adjective that refers to something that is shaped like a spike or has spikes.