The act of imprisoning, or the state of being imprisoned; confinement; restraint. [
1913 Webster]
"His sinews waxen weak and raw
Through long imprisonment and hard constraint."
[1913 Webster]
"Every confinement of the person is an imprisonment, whether it be in a common prison, or in a private house, or even by foreibly detaining one in the public streets."
[1913 Webster]