thirty

Pluralthirties

1. 1
   numeral

   The number that comes after twenty-nine and before thirty-one, written as 30.

   There are thirty days in September.

   She counted thirty sheep before finally falling asleep.

   Note
2. 2
   nouncountable

   A short TV or radio ad that lasts thirty seconds.

   Like buying one small block of airtime, just thirty seconds long.

   The agency booked a thirty during the evening news.

   They cut the ad down to a thirty so it would fit the break.

   Note
3. 3
   nounslangcountable

   A pack of thirty cans of beer sold together.

   Like one big box that holds thirty drinks instead of just a few.

   They grabbed a thirty for the weekend camping trip.

   We split the cost of a thirty before the game.

   Note

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