Etymology From Middle English foure square; equivalent to four + square.
1
Having four equal sides; square.
From the foursquare royal tower on the city's eastern edge to the Dominican monastery of the Blackfriars in the west, its skyline was a forest of spires and belltowers.2011, Thomas Penn, Winter King, Penguin, published 2012, page 41:
Out there in the dark the city looked foursquare and massive.2020, Kim Stanley Robinson, chapter 7, in The Ministry for the Future, Little, Brown Book Group, →ISBN:
2
Broadly Solid, robust.
Standing foursquare in the heart of the town, at the intersection of the two main streets, a "jog" at each street corner left around the market-house a little public square, which at this hour was well occupied by carts and wagons from the country and empty drays awaiting hire […].1900, Charles W. Chesnutt, chapter I, in The House Behind the Cedars:
It is surprising to find white wine of apparently low acidity keeping well at all. Yet at ten years (a good age for it today) it has a haunting combination of foursquare breadth and depth with some delicate, intriguing, lemony zest.1983, Hugh Johnson, Hugh Johnson's modern encyclopedia of wine:
1 more example
Another initially foursquare wine that develops lovely fruit in the glass, with a toasty-biscuity finish beginning to build.1999, Tom Stevenson, Christie's world encyclopedia of champagne and sparkling wine: