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sissy
sissy bar
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sister-in-law
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sit-up
sit-up (plural sit-ups)


noun 
Definition:
 
physical exercise: an exercise in which you lie flat on your back with your legs bent and then raise the upper part of your body to a sitting position
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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