Sentence:  He dropped his earlier and delightful hamming , which is about the only way to handle the old <WSD>war</WSD> horse called `` Charley's Aunt '' , and let himself go with as an appealing an `` Amy '' as anybody could ask . 
Meaning of the word marked with <WSD> tags:  a work of art (composition or drama) that is part of the standard repertory but has become hackneyed from much repetition