Trip

n.
  1. A quick, light step; a lively movement of the feet; a skip.
  2. A brief or rapid journey; an excursion or jaunt.
  3. A false step; a stumble; a misstep; a loss of footing or balance. Fig.: An error; a failure; a mistake.
  4. A small piece; a morsel; a bit.
  5. A stroke, or catch, by which a wrestler causes his antagonist to lose footing.
  6. (Naut.) A single board, or tack, in plying, or beating, to windward.
  7. A herd or flock, as of sheep, goats, etc.
  8. A troop of men; a host.
  9. (Zoöl.) A flock of widgeons.