Dataries is a 8 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 9 points.
You can make 417 anagrams from letters in dataries (aadeirst).
1520-30; Medieval Latin *datāria the office (where documents were dated); datārius the officer (who gave the dates), equivalent to Late Latin dat(a) date1
The datary has asserted that he meant he should be master over Charlemagne.
The Pope and his datary refused to interfere in this ignoble quarrel.
Man′datary, Man′datory, one to whom a mandate is given by a Man′dator.