The term 'Alcott Heroine' refers to two characters from the novel Little Women by Louisa May Alcott. The two characters are Beth, a four-letter name, and Meg, a three-letter name. Beth is the second youngest of the four March sisters and is known for her selflessness and kindness. Meg is the eldest of the four March sisters and is known for her beauty and grace. Both characters are beloved by readers and have become iconic figures in literature.