adjective. Of or relating to an age or period of 100 years.

adjective. Occurring once every 100 years.

adjective. Of or relating to a 100th anniversary.

noun. A 100th anniversary or a celebration of it.

noun. A dice game in which the object is to secure pips, or multiples of pips, which will make the figures from 1 to 12, and then from 12 to 1, in numerical order.

Consisting of or lasting a hundred years; completing a hundred years: as, a centennial epoch; the centennial year.

Existing for a century or more.

Happening every hundred years; relating to or marking a centenary: as, a centennial celebration.

noun. The commemoration or celebration of an event which occurred a hundred years before: as, the centennial of American independence.

adjective. Relating to, or associated with, the commemoration of an event that happened a hundred years before.

adjective. Happening once in a hundred years.

adjective. Lasting or aged a hundred years.

noun. The celebration of the hundredth anniversary of any event; a centenary.

noun. The 100th anniversary of an event or happening.

adjective. of or relating to or completing a period of 100 years

noun. the 100th anniversary (or the celebration of it)