Webster's Revised Unabridged Dictionary · 1913

full-dress

full-dress , noun

full evening dress for men.

full-dress , adjective

1.
suitable for formal occasions; as, a full-dress uniform.
2.
requiring formal clothes; -- of a social event; as, a full-dress ceremony.
3.
complete in every respect, including formalities; as, a full-dress debate; a full-dress investigation.