Tricornute is not a commonly used word, but it refers to an object or person with three horns. The word is spelled with the prefix tri-, which means three, and the word horn. The phonetic transcription of tricornute is /traɪˈkɔːnjuːt/. The first part of the word is pronounced as "try" with a long "i" sound, followed by the stressed syllable "corn" pronounced with a long "o" sound, and ending with "ute" pronounced like "yoot". This word may be used in mythology, fantasy or science fiction genres.
Having three cornua or horns.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.