inlet

noun

1. A body of water let into a coast, such as a bay, cove, fjord or estuary.
2. A passage that leads into a cavity.

   “1748. David Hume, An enquiry concerning human understanding. In: L. A. SELBY-BIGGE, M. A. Enquiries concerning the human understanding and concerning the principles of moral. 2. ed. London: Oxford University Press, 1973. § 15. by opening this new inlet for sensations, you also open an inlet for the ideas;”

verb

1. (transitive)To let in; admit.
2. (transitive)To insert; inlay.

   “The team said that many of the bones unearthed were the remains of children, leading them to believe the practice of deforming skulls “may have been inlet and dangerous.””

3. To carve the wooden stock of a firearm so as to position the metal components in it.