space-bar

n bar on a typewriter, tapped to make spaces between words （打字机的）空格键.

souwester, sovereign, sovereignty, soviet, sow, sower, soy, soya bean, soya sauce (also ,soy `sauce), soya sauce (also soy sauce), sozzled, sp, sp gr, spa, space, space invaders, space probe, space shuttle, space station, space-age, spacecraft, spaceman, spaceship, spaceshuttle, spacesuit, spacewalk, spacing, spacious, spaciously, spaciousness, spackle, spade, spadeful, spadework, spaghetti, Spain, spam, span, spangle, spaniel,