A servicing electrical or fluid line between the ground or tower and an uprighted rocket vehicle before launch
An umbilical is any of various external electrical lines or fluid tubes which connects one portion of a system to another
A group of hoses and/or cables that connects the laser head to the exciter The umbilical can be a simple power cable, a number of cables and/or hoses held together or a large diameter flexible plastic pipe (like a vacuum cleaner hose) that contains all of the cables/hoses
{s} of or pertaining to the cord connecting a fetus with the placenta of the mother; relating to the navel or central region of the abdomen; attached as with an umbilical cord