Emily Dickinson Lexicon

box (-es), n. [OE < L. bux-us, box-tree.]

1. Drawer; square container; rectangular receptacle; keeper of mementos; small treasury made of wood or stone; [fig.] memory; record; heart; mental storage place; repository of affection; (see Luke 7:37).
2. Casket; coffin; long wooden chest for burial of the dead; [fig.] weight; burden of pain; load of grief.
3. Theater compartment; seat in a play-house; small room for people attending a performance; [fig.] human body; life span.