Emily Dickinson Lexicon

PLAT'BAND, n.

1. A border of flowers in a garden, along a wall or the side of a parterre.
2. In architecture, a flat square molding whose highth much exceeds its projecture, such as the faces of an architrave.
3. The lintel of a door or window.
4. A list or fillet between the flutings of a column. – Cyc.