D defs.my
Entry 2 senses Webster, 1913

Succussation

· Suc·cus·sa·tion · IPA /sʌkəˈseɪʃən/
01 n. A trot or trotting.
  1. 1.
    A trot or trotting.[Obs.]
  2. 2.
    A shaking; succussion.