Z is for
Zabuton 座布団
A traditional Japanese cushion used for sitting on tatami mats and often used for floor work within shibari. The word is a combination of 座 (za), meaning "to sit," and 布団 (futon), referring to bedding or padding.
Zazen shibari 座禅縛り
'meditative sitting tie' refers to ties in a cross legged position, also refered to as Agura Shibari
Zenpou takate shibari 前方高手縛り
'front high-hand tying' This refers to a pattern where hands are tied in front of the body in a hand position following the normal structure of a ushiro takate kote where the hands are tied behind the back.
Zuri ずり/ Zuri 吊り
ずり - Zuri means means to slide, shift or drag, however Tsuri (吊り) when preceded by another word. is pronounced 'Zuri' meaning suspension.