Emily Dickinson Lexicon

CA-LOTTE', or CA-LOTE', n. [Fr. calotte.]

1. A cap or coif, of hair, satin, or other stuff, worn in popish countries, as an ecclesiastical ornament.
2. In architecture, a round cavity or depression, in form of a cup or cap, lathed and plastered, used to diminish the elevation of a chapel, cabinet, alcove, &c., which would otherwise be too high for other pieces of the apartment. – Harris. Encyc.