Crossword Genius

1973 stage play by Peter Shaffer (5)

Ross

I believe the answer is:

equus

(Other definitions for equus that I've seen before include "Peter Shaffer play involving horses" , "Drama" , "Play + Film" , "Horse genus (Latin)" .)

I've seen this clue in The Mirror.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.