Spanish title formerly conferred upon judges. It now denotes any officer connected with the execution of justice. ... Found on http://www.encyclo.co.uk/local/20688
Al`gua·zil' noun [ Spanish alguacil , from Arabic alwazīr the vizier. Confer Vizier .] An inferior officer of justice in Spain; a warrant officer; a constable. Prescott. Found on http://www.encyclo.co.uk/webster/A/54