Definitions
There are 2 meanings of the phrase
Letter Paper.
Letter Paper - as a noun
Writing paper for use in writing correspondence
Paper cut to an appropriate size for writing letters; usually with matching envelopes
Synonyms (Exact Relations)
stationeryHypernyms (Closely Related)
writing paperHyponyms (Broadly Related)
Example Sentences
"I need to print this document on letter paper."
"Could you please buy me a pack of letter paper?"
"She wrote a heartfelt letter on the beautiful letter paper she had."
"The printer ran out of letter paper, so I couldn't finish printing the report."
"We always use letter paper for official correspondence."