noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A notebook or memorandum book.
2. 2
   A subordinate book containing notes or jottings to be afterward extended in due form.

Synonyms

All synonyms

notebook

Etymology

From by- + book.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.