- (of ceramic clay) moist but not sufficiently so to be plastic.
Origin of leather-hard
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for leather-hard
Set the leather-hard cylinder upon a new bat which is slightly damp and which runs true, on the wheel.
When leather-hard the whole may be turned gently over and the tile allowed to fall on to a board placed in readiness.