1. high gear a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed
  2. highchair a chair for feeding a very young child
  3. headgear clothing for the head
  4. hugger a person who hugs
  5. hedger a gardener who takes care of and trims hedges
  6. hiker a foot traveler; someone who goes on an extended walk
  7. hacker a programmer who breaks into computer systems
  8. hegira a journey by a large group to escape from a hostile environment
  9. hawker someone who travels about selling his wares
  10. hachure shading consisting of multiple crossing lines
  11. Heuchera genus of North American herbs with basal cordate or orbicular leaves and small panicled flowers
  12. Hegira the flight of Muhammad from Mecca to Medina in 622 which marked the beginning of the Muslim era; the Muslim calendar begins in that year
  13. hegari Sudanese sorghums having white seeds
  14. Hooker English theologian (1554-1600)
  15. high-grade surpassing in quality
  16. hedgerow a fence formed by a row of closely planted shrubs or bushes
  17. haggard showing the wearing effects of overwork or care or suffering
  18. hickory American hardwood tree bearing edible nuts
  19. higher advanced in complexity or elaboration
  20. high bar gymnastic apparatus consisting of a bar supported in a horizontal position by uprights at both ends