Reference Book of Synonyms
This page is the CodyCross answer for the clue below from Trip to Spain, Group 842, Puzzle 1 (Basque Country).
Question
Reference Book of Synonyms
Answer
THESAURUS
Word Meaning:
THESAURUS — A publication that provides synonyms (and sometimes antonyms and other semantic relations) for the words of a given language.
Definitions from Wiktionary.