Definitions for "Leather-hard"
Keywords:  damp, clay, carve, wet, enough
Clay when it is stiff but still damp enough to be joined to other pieces with slip, or have handles, lugs, knobs, etc., joined to it; also called cheese-hard.
Half-way stage between wet and dry clay. The clay is no longer plastic and can be handled easily without becoming deformed, yet is still soft enough to permit clean carving and incising. The stage at which turning is carried out on unfinished pots.
Refers to that state in the drying of a raw pot when enough moisture has air-dried so that the piece can be lifted without distortion and yet is damp enough to be worked further; carved, burnished, joined, etc.