The Collaborative International Dictionary of English v.0.48:

Ort \Ort\ ([^o]rt), n.; pl. Orts ([^o]rts). [Akin to LG. ort,
   ortels, remnants of food, refuse, OFries. ort, OD. oorete,
   ooraete; prob. from the same prefix as in E. ordeal + a word
   akin to eat.]
   A morsel left at a meal; a fragment; refuse; -- commonly used
   in the plural. --Milton.
   [1913 Webster]

         Let him have time a beggar's orts to crave. --Shak.
   [1913 Webster]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

ORT
       Ongoing Reliability Test