What is "inventrix"

Usage examples of "inventrix".

Then, as if blessings could not cease to flow, it was quite clear to her and to Elinor Glyn that Rudolph Valentino had stood her up, while the comedians at the next table made more and more noise until one of them, a very fat man who had been a plumber before stardom, made a trip to the toilet, imitating, as he walked, Elinor Glyn, to all the room’s delight save the inventrix of passion, who scowled.