"1610s,[] originally a small book meant to be carried in one's pocket, from pocket (n.) + book (n.). Meaning 'a flexible booklike leather folder for papers, bills, etc.' is from 1722. Meaning 'a woman's purse' from 1816."
From pocket + book, popularized in its sense as a paperback by the success of Pocket Books in the United States after its 1939 launch.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.