Definition of "ms."

ms.

noun
plural mss.
1. (in bibliographies) Abbreviation of manuscript.
noun
1. plural of m. (“month”)
  Quotations
  Kenneth Kimball, 1 yr. and 6 ms. old.
  1902 , Gustavus F. Kimball, The Kimball Family News, Topeka, page 307
  a [year] & 2 ms. old, có̤i nê:
  1905, T. B. Adam, “Y”, in An English-Chinese dictionary of the Foochow dialect, Lacy & Wilson, page 352