Emily Dickinson Lexicon

PAR-AL-LEL'O-GRAM, n. [Gr. παραλληλος and γραμμα.]

1. In geometry, a right lined quadrilateral figure, whose opposite sides are parallel and equal. – Harris.
2. In common use, this word is applied to quadrilateral figures of more length than breadth, and this is its sense in the passage cited by Johnson from Brown.