thir•ty-threePronunciation: (thûr'tē-thrē'), [key]
a cardinal number, 30 plus 3.
a symbol for this number, as 33 or XXXIII.
a set of this many persons or things.
amounting to 33 in number.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.