lockback

Noun

 * 1) A type of folding knife in which the blade locks in its extended position by means of a lock on the  of the handle that is released by pressing on a portion of the locking arm or lever (that is, the means of release is likewise on the back of the handle).

Translations

 * Danish:
 * Finnish: lockback -veitsi
 * French:
 * German: Backlock
 * Russian:
 * Swedish: