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joint stock
joint tenancy with right of survivorship
joint venture
jointer
jointly
jointress
jointure
jointworm
joist
jojoba
joke
joker
jokey
jokingly
joky
jol
jolie laide
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joist
joist [ joyst ] (plural joists)


noun 
Definition:
 
supporting beam: any of the parallel beams of wood, metal, or concrete that support a floor, roof, or ceiling
[14th century. < Old French giste "beam supporting a bridge" < Latin jacere "lie down"]
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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