noun

• (geology) A craggy outcrop of rock on the summit of a hill, created by the erosion and weathering of rock.
  "Bursdon and Welsford were then, as now, a rolling range of dreary moors, unbroken by tor or tree, […]"
• (South-West England) A hill with such rock formation.
  "She had slipped the letters into her pocket next to the packet of antique documents and had taken an umbrella—as the sky was ominous out over the distant tors—and strolled around the manor house and down the road toward the village."

noun

• (management) Initialism of terms of reference.
• (Philippines, education) Initialism of transcript of records, an official record of a student's or graduate's academic achievements at the college or university level, including all courses taken, grades earned, and credits.

name

• (computing) Abbreviation of The Onion Routing, an implementation of second-generation onion routing.