空格键

[计] 空格键

[ noun ]
the bar-shaped typewriter key that introduces spaces when used
<noun.artifact>

space bar \space bar\ or space key \space key\ (Mach.,
Computers)
A bar or key, in a typewriter, typesetting machine, or other
keyboard (as a computer keyboard), used to insert a space
between letters.
[Webster 1913 Suppl. +PJC]