letter opener
noun
- tool used for opening letters
Wiktionary
noun
- Any of several devices for opening letters, either by breaking wax seals or (as is usually the case today) by cutting open their envelopes.
- Any of several devices for opening letters, either by breaking wax seals or (as is usually the case today) by cutting open their envelopes.
- Any of several devices for opening letters, either by breaking wax seals or (as is usually the case today) by cutting open their envelopes.