Word Study
paperknife
WORDNET DICTIONARY
Noun paperknife has 1 sense
- paperknife(n = noun.artifact) letter opener, paper knife - dull knife used to cut open the envelopes in which letters are mailed or to slit uncut pages of books; Array is a kind of knife
CIDE DICTIONARY
paperknife, n.
A dull knife used to cut open the envelopes in which letters are mailed or to slit uncut pages of books. [WordNet 1.5]
For further exploring for "paperknife" in Webster Dictionary Online