D defs.my
Entry 1 sense Webster, 1913

Pocketbook

/päk'-ət-bo͝okˌ/ · Pock·et·book · IPA /ˈpɑ.kɪtˌbʊk/
01 n. A small book or case for carrying papers, money, etc., in the pocket; also, a notebook for the pocket.
  1. 1.
    A small book or case for carrying papers, money, etc., in the pocket; also, a notebook for the pocket.