a group, series, or set
of seven identical copies (usually preceded by in
having or consisting of seven identical parts; sevenfold.
noting the seventh copy or item.
verb (used with object) 4.
to make seven copies of.
to make seven times as great, as by multiplying.
< Medieval Latin septuplicātus
(past participle of septuplicāre
to multiply by seven), equivalent to Late Latin septu
as in quadruplicātus;