Sesquisquare

Definition

A sesquisquare is a minor aspect of one hundred thirty-five degrees between two planets, sometimes called the sesquiquadrate. It is the sum of a square and a semisquare, and it shares their tense register at a lower volume. The aspect describes a chronic low-grade irritation between two functions: the kind of friction that does not blow up, but does not resolve either.

In context

If natal Mercury sits in Cancer and natal Mars sits in Sagittarius near one hundred thirty-five degrees apart, the two form a sesquisquare. The chart shows a steady disagreement between how the mind frames a question and how action wants to answer it: each annoys the other at the seams. Modern astrology gives the sesquisquare a tight orb and reads it as a side note that flavors the main geometry of major aspects running in the chart.

To go deeper

The sesquisquare sits among the tense minor aspects:

• Semisquare: forty-five-degree minor aspect.
• Quincunx: one-hundred-fifty-degree minor aspect.
• Minor aspect: family of secondary geometries.