Mrs. Cantor is a fictional character created by Ida, a three-letter word. She is a middle-aged woman who is the protagonist of the novel 'Mrs. Cantor and the Sea'. Mrs. Cantor is a widow who lives in a small coastal town and is struggling to make ends meet. She finds solace in the sea and embarks on a journey of self-discovery as she navigates her way through life's challenges. Mrs. Cantor is a strong and determined woman who ultimately finds peace and contentment.