rare. [f. L. quater four times; cf. tercentenary.] A four-hundredth anniversary, or the celebration of this.

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1872.  Pall Mall Gaz., 24 Dec., 12/2. If the rage for such celebrations had lasted much longer, we should have had a quater-centenary.

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1883.  Harper’s Mag., Aug., 478–9/. The forthcoming celebration of the Luther quater-centenary.

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