Meaning of walling wax | Babel Free

Definitions

A mixture of wax and tallow used by etchers and engravers to make a bank, or wall, round the edge of a plate, so as to form a trough for holding the acid used in etching, etc.

uncountable

Examples

“walling wax, to put round the plate, […]is made of bees wax, dissolved in a pipkin with horse turpentine”

CEFR level