Definitions
from Wiktionary, Creative Commons Attribution/ShareAlike License
 n. A curve whose contact with a given curve at a given point is of a higher order (or involves the equality of a greater number of successive differential coefficients of the ordinates of the curves taken at that point) than that of any other curve of the same kind.
from the GNU version of the Collaborative International Dictionary of English
 n. A curve whose contact with a given curve, at a given point, is of a higher order (or involves the equality of a greater number of successive differential coefficients of the ordinates of the curves taken at that point) than that of any other curve of the same kind.
from The Century Dictionary and Cyclopedia
 n. The envelop of the osculating planes of a nonplane curve.
Etymologies
New Latin. (Wiktionary)
Examples

Despite the varieties of beards and mustachios, never will you hear from your osculatrix the source of her knowledge of that variety.
Comments
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