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second-in-command
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second down
sec·ond down (plural sec·ond downs)


noun 
Definition:
 
second attempt to advance ball: in football, the second of four attempts to advance a football ten yards in order to receive a new set of four downs
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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