D defs.my
Entry 1 sense Webster, 1913

Atony

· At·o·ny · IPA /ˈæt.ə.ni/
01 n. Want of tone; weakness of the system, or of any organ, especially of such as are contractile.
  1. 1.
    Want of tone; weakness of the system, or of any organ, especially of such as are contractile.(Med.)