Emily Dickinson Lexicon

IN'LET, n. [in and let.]

1. A passage or opening by which an inclosed place may be entered; place of ingress; entrance. Thus, a window is an inlet for light into a house; the senses are the inlets of ideas or perceptions into the mind.
2. A bay or recess in the shore of the sea, or of a lake or large river, or between isles.