/ θɜːd; NAmE θɜːrd/ ordinal number , noun
■ ordinal number
3rd
HELP NOTE : There are examples of how to use ordinal numbers at the entry for fifth .
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IDIOMS
- third time lucky
■ noun
1.
each of three equal parts of sth
2.
third (in sth) a level of university degree at British universities, that is lower than average
—compare first noun (4), second noun (7)
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WORD ORIGIN
Old English thridda , of Germanic origin; related to Dutch derde and German dritte , also to three . The spelling thrid was dominant until the 16th cent. (but thirdda is recorded in Northumbrian dialect as early as the 10th cent.).