butterfly keyboard

Etymology

 * From the resemblance to a butterfly with outstretched wings.
 * From the approximately resemblance of each (X-shaped) switch to a butterfly.

Noun

 * 1)  A kind of computer keyboard consisting of two separate halves, intended to facilitate typing with two hands.
 * 2)  A kind of computer keyboard where each key is activated by means of a scissor switch.

Translations

 * Finnish: perhosnäppäimistö