A sprint].
Common dashes include: 50-yard, 100-yard, century, 220-yard, 50-meter, 100-meter, 200-meter;
A short, swift movement
spurt, sortie, rush, bolt; see run 1.
Punctuation marking a break in thought
em, em dash, em quad, quad, quadrat, en, en quad, en dash, two-em quad, etc., mutton quad*, nut quad*; see also mark 1, punctuation.
A little of something
little, a few drops, pinch, hint, sprinkle, scattering, sprinkling, seasoning, zest, touch, dab, slight admixture, grain, trace, tinge, suspicion, suggestion, squirt, splash, taste, soupçon, infinitesimal amount, teentsy-weentsy bit*, smidgen*; see also bit 1, part 1, trace 1.
Antonyms too much*, quantity, excess.