noun
- the bile of an ox, formerly used in making ink, dyes, and other preparations
Usage: historical; archaic
Examples
- Medieval scribes used oxgall as a key ingredient in their iron gall ink.
- The recipe for the dye called for oxgall to help set the color in the fabric.
- Oxgall was a common component in old manuscript inks.
- The craftsman added oxgall to improve the adhesion of the pigment.