Informal (chiefly British). In motoring, engineering, and other technical contexts: in standard manufactured form, unmodified; (hence) basic, unexceptional.
Origin
Late 19th century (in an earlier sense). From box + standard.
Definition of box-standard in US English:
box-standard
adjectiveˌbɒksˈstandəd
Informal (chiefly British). In motoring, engineering, and other technical contexts: in standard manufactured form, unmodified; (hence) basic, unexceptional.
Origin
Late 19th century (in an earlier sense). From box + standard.