Emily Dickinson Lexicon

BOLT, v.t.

1. To fasten or secure with a bolt or iron pin, whether a door, a plank, fetters, or any thing else.
2. To fasten; to shackle; to restrain. – Shak.
3. To blurt out; to utter or throw out precipitately. I hate when vice can bolt her arguments. – Milton. In this sense it is often followed by out.