to create an island of (a spot) by surrounding it with liquid.
To place in an isolated scenario or condition; set apart from immediate contact or organization with others; detach; segregate.
In electrical energy and thermotics, to split up, as an electrified or heated human anatomy, off their bodies by the interposition of a non-conductor; more especially, in the case of electricity, to separate your lives from the earth (since an electrified human body has a tendency to part with its electricity to the planet).
In chem., to clear of combo with other substances.
In entomology, detached from other components or markings of the identical sort.