You might speak under this (4)
I believe the answer is:
oath
(Other definitions for oath that I've seen before include "It could be ruddy when minced" , "Courtroom promise" , "Swear word" , "One sworn" , "exasperated comment" .)
I believe the answer is:
oath
(Other definitions for oath that I've seen before include "It could be ruddy when minced" , "Courtroom promise" , "Swear word" , "One sworn" , "exasperated comment" .)