Erle is a variant spelling of the word "earl," which refers to a noble rank in some European countries, ranking below a marquess and above a viscount. However, in the context of the clue, "First name in detective fiction," there is no specific meaning associated with the word "erle."
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: ___ Stanley Gardner, creator of Perry Mason. Explanations are generated by AI and may be inaccurate.