(idiomatic) The part of a tool or weapon that is physically used for its operation, rather than the part which is held.

To turn (something) upside down, to invert (something).

last remnant / frayed end of a length of cloth or rope / The unsmoked end of a cigarette or cigar

plural of front-end

plural of back end

plural of back-end

plural of front end

Alternative form of front end

(computing) Relating to the front end or user interface of a hardware or software system. / (finance) Of a financial transaction, paid or charged first.

(computing) That part of a hardware or software system that is conceptually closest to the user; the user interface. / Used other than figuratively or idiomatically: see front, end.