Late Middle English; earliest use found in Osbern Bokenham (c1393–c1464), poet and Augustinian friar. From the colour of the habit worn; compare post-classical Latin canon niger.
Definition of black canon in US English:
black canon
noun
historical
A canon regular of St Augustine.
Origin
Late Middle English; earliest use found in Osbern Bokenham (c1393–c1464), poet and Augustinian friar. From the colour of the habit worn; compare post-classical Latin canon niger.