ぞろ目

Etymology
Compound of.

Noun

 * 1)  doubles: two of the same number other than 1, after rolling two dice
 * 2)  in a forecast bet, betting that the same horse wins twice in a row
 * 3)  by extension, doubled numbers, or numbers that line up, such as the ones in a date like 2011/11/11

Related terms

 * : snake eyes, doubled ones in dice