CsThe symbol for cesium.CSabbr.1. capital stock2. cesarean section3. chief of staff4. Christian Science5. civil service6. conditioned stimulusAmerican Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Cs the chemical symbol for (Elements & Compounds) caesium CS abbreviation for 1. (Stock Exchange) Also: cs capital stock 2. (Surveying) chartered surveyor 3. (Christian Churches, other) Christian Science 4. (Christian Churches, other) Christian Scientist 5. (Government, Politics & Diplomacy) Civil Service 6. (Law) Also: cs Court of Session Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Cs Chem. Symbol. cesium. cs. case. C/S cycles per second. C.S. 1. chief of staff. 2. Christian Science. 3. Civil Service. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.CsThe symbol for cesium. The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.