ACUMINATION

Noun

acumination (plural acuminations)

A sharpening; termination in a sharp point; a tapering point.

The coronary thorns did not only express the scorn of the imposers by that figure into which they were contrived, but did also pierce his tender and sacred temples to a multiplicity of pains, by their numerous acuminations.

Source: Wiktionary

A*cu`mi*na"tion, n.

Definition: A sharpening; termination in a sharp point; a tapering point. Bp. Pearson.

Source: Webster’s Unabridged Dictionary 1913 Edition