Entry 1 sense Webster, 1913 Matajuelo /(mä`tȧ*hwā"lō; 239)/ · Ma·ta·jue·lo · IPA 01 n. A large squirrel fish (Holocentrus ascensionis) of Florida and the West Indies. 1. A large squirrel fish (Holocentrus ascensionis) of Florida and the West Indies.