In"let (?), n.

1.

A passage by which an inclosed place may be entered; a place of ingress; entrance.

Doors and windows,inlets of men and of light. Sir H. Wotton.

2.

A bay or recess,as in the shore of a sea, lake, or large river; a narrow strip of water running into the land or between islands.

3.

That which is let in or inland; an inserted material.

Inlet is also usewd adjectively,as in inlet pipe, inlet valve, etc.

 

© Webster 1913.