Although Emily Dickinson (not Dickerson) has written under the influence of Romanticism, which was the era in which she was born, no, she is not a Romantic writer. Emily Dickinson is in fact a Renaissance writer, which happened in America from about 1830 to around the Civil War.
Effigy - A sculpture or model of a person.
Secular - Denoting attitudes, activities, or other things that have no religious or spiritual basis.
Polytheistic - The belief in more than one God.
I hope these definitions helped!