When an international team of scientists traveled to a research station in Antarctica for six months, the language they all shared was English. After six months together, their accents changed ever so slightly — a miniature version of how language...
witness mark
n.— «Correct form of blaze on trees as witness marks.» —by Richard Henry Stretch Prospecting Locating and Valuing Mines , 1900. (source: Double-Tongued Dictionary)

