Dried into a hardened incrustation, encrusted with a sticky daubing which has dried on.

Formed or hardened into a crust. Obsolete.

Having or covered with a crust, encrusted; †crustaceous (obsolete); that has deposited a crust, as old port or other wine.

Of a substance: that has dried or congealed to form a thick crust. Now esp. of make-up: that has been (too) heavily applied.