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piste
pistil
pistillate
pistol
pistol grip
pistol-whip
pistole
piston
piston ring
piston rod
pistou
pit (1)
pit (2)
pit boss
pit bull terrier
pit committee
pit stop
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piston ring
pis·ton ring (plural pis·ton rings)


noun 
Definition:
 
metal ring attached around piston: a metal ring or series of rings attached around a piston to ensure a tight seal with the cylinder wall and prevent gaseous leakage
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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