thirty

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thirty

1. the cardinal number that is the product of ten and three
2. a numeral, 30, XXX, etc., representing this number
3. the amount or quantity that is three times as big as ten
References in classic literature ?
And this," Emily continued, "is the thirtieth of June, eighteen hundred and eighty-one.
765-767) Mark the days which come from Zeus, duly telling your slaves of them, and that the thirtieth day of the month is best for one to look over the work and to deal out supplies.
In point of fact he had just turned his thirtieth year.
The thickness of the wall of the tube varies from a thirtieth to a twentieth of an inch, and occasionally even equals a tenth.
Zarathustra born on lake Urmi; left his home in his thirtieth year, went into the province of Aria, and, during ten years of solitude in the mountains, composed the Zend-Avesta.
We left Montreal for New York again, on the thirtieth of May, crossing to La Prairie, on the opposite shore of the St.