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thirl (2)
thirst
thirst snake
thirsty
thirteen
Thirteen Colonies
thirteenth
thirteenth chord
thirtieth
thirty
thirty-eight
Thirty-nine Articles
thirty-second note
thirty-thirty
thirty-twomo
Thirty Years War
thirtysomething
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thirtieth
thir·ti·eth [ thúrtee əth ] (plural thir·ti·eths)


noun 
Definition:
 
1. one of 30 parts of something: one of 30 equal parts into which something is or may be divided
2. ordinal number corresponding to 30: item number 30 in a series

thir·ti·eth adjective, adverb
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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