Tiburón
Ti·bu·rón
geographical name \ˌtē-bü-ˈrōn\Definition of TIBURÓN
island 34 miles (55 kilometers) long NW Mexico in Gulf of California off coast of Sonora
Seen & Heard 
What made you want to look up Tiburón? Please tell us where you read or heard it (including the quote, if possible).
