Trek

v. i.
  1. To draw or haul a load, as oxen.
  2. To travel, esp. by ox wagon; to go from place to place; to migrate.

n.
  1. The act of trekking; a drawing or a traveling; a journey; a migration.
  2. Great Trek ,
    the great emigration of Boers from Cape Colony which began in 1836, and resulted in the founding of the South African Republic and Orange Free State.