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MSS.

or MSS, Mss, mss.

See more synonyms on Thesaurus.com
  1. manuscripts.

ms.

plural mss.
  1. manuscript.

MS.

plural MSS.
  1. manuscript.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for mss.

MS.

ms.

abbreviation for plural MSS. mss.
  1. manuscript
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for mss.

Ms.

(plural Mses.), 1949, considered a blend of Miss and Mrs.

MS.

abbreviation of Latin manu scriptum (see manuscript); the plural is MSS, after the custom in Modern Latin.

Online Etymology Dictionary, © 2010 Douglas Harper

mss. in Culture

Ms.

A title used before a woman's name, pronounced “Miz” and corresponding to Mr. before a man's.

Note

Feminists have urged the use of Ms. because, unlike Miss or Mrs., it does not identify a woman by her marital status. (See feminism.)
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.