Kai is a Dutch, Finnish, Frisian, German, Scandinavian, and Welsh name of Latin origin. It is derived from the element 'gaudere' which means to rejoice. Caius (Latin) and Gaius (Latin) are old forms of Kai.The name is of multiple origins; its oldest derivation is as a Welsh form of the Roman Caius.t is derived from the element 'katha' meaning hen, chicken. Kai is an English and Hawaiian name of Hawaiian origin. Meaning: sea. The popularity of the name in the late 20th century is probably attributed to this derivation.
solitary confinement. n. The confinement of a prisoner in isolation from all other prisoners, especially as an additional punishment or for the safety of the prisoner.
solitary - characterized by or preferring solitude; a lone wolf; a lonely existence; a man of a solitary disposition; a solitary walk lone, lonely unsocial - not seeking or given to association; being or living without companions; the unsocial disposition to neglect one's neighbors