The term 'of milk pitcher' is referring to the character Elsie, who is a five-letter word. Elsie is a fictional character from the popular children's book series, The Babysitters Club. She is the main protagonist of the series and is known for her love of animals and her ability to take care of them. Elsie is also known for her skill in making delicious milkshakes and other treats with her trusty milk pitcher.