ppl. a. lit. and fig. (like Gr. τετράγωνος).

1

a. 1586.  Sidney, Arcadia, IV. (1922), 126. Thinking it want of a well squared judgement to leave any meane unassayed of saving their lives.

2

1613–6.  W. Browne, Brit. Past., I. iv. 79. A large well squared stone.

3