(Geom.) The contact of one curve with another, when the number of consecutive points of the latter through which the former passes suffices for the complete determination of the former curve.
... where there is a piano and guitar: all these thoughts pass in rapid and brilliant combination in the pleasant Mr. Pendennis's mind. How delighted the ladies are with the proposal! Mrs. Mackenzie claps her pretty hands, and kisses Rosey again. If osculation is a mark of love, surely Mrs. Mack is the best of mothers. I may say, without false modesty, that our little entertainment was most successful. The champagne was iced to a nicety. The ladies did not perceive that our laundress, Mrs. Flanagan, was intoxicated very early in ... — The Newcomes • William Makepeace Thackeray
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