Dictionnaire astrologique is a French-language reference work compiled by Henri-Joseph Gouchon and first issued in paperback by Dervy on May 12 1999. The volume presents a comprehensive lexicon of astrological terminology, covering the meanings of planetary symbols, zodiac signs, houses, aspects, and traditional techniques used in Western astrology. Entries are concise yet informative, offering clear definitions that serve both beginners seeking an introduction and practitioners looking for a reliable quick‑reference guide. The dictionary also includes brief historical notes on the origins of certain terms and references to classical sources, situating the vocabulary within its broader cultural context. Though primarily intended as a practical tool, the work reflects Gouchon’s scholarly engagement with the history of astrological thought. Its straightforward layout and accessible language make it suitable for personal study, classroom use, or as a handy companion for anyone interested in the symbolic language of the stars.