Definition of unlathed in English:
unlathed
adjective (ˌ)ʌnˈlaθt(ˌ)ʌnˈlɑːθt
Not fitted or covered with laths.
Origin
Early 17th century; earliest use found in Randle Cotgrave (fl. 1587–?1630), lexicographer. From un- + lathed, originally after French deslaté.