Astrological Lexicon

A comprehensive guide to the terminology of historical and celestial studies.

A

Ascendant

Latin: ascendere - "to climb up"

The specific point of the zodiac that was rising over the eastern horizon at a particular moment in time as seen from a specific location.

Aspect

Latin: aspectus - "appearance, look"

Specific angular relationships (measured in degrees) between celestial bodies or points in a system, such as a trine or a square.

H

House

Old English: hūs - "dwelling"

A division of the sky into twelve segments, historically used to categorize different areas of life or astronomical observation within a 24-hour cycle.

S

Square

Old French: esquarre - "a square shape"

An aspect formed when two celestial bodies are approximately 90 degrees apart. Historically viewed as a point of tension or dynamic energy.

T

Trine

Latin: trinus - "threefold"

An aspect formed when two celestial bodies are approximately 120 degrees apart, historically representing harmony and fluid energy flow.

Antique armillary sphere mapping terminology