D defs.my
Entry 1 sense Webster, 1913

Acumination

· A·cu·mi·na·tion · IPA /əˌkjuːmɪˈneɪʃən/
01 n. A sharpening; termination in a sharp point; a tapering point.
  1. 1.
    A sharpening; termination in a sharp point; a tapering point.