RhymeZone: unlink definitions

Definitions of unlink:

verb: (transitive) To decouple; to remove a link from, or separate the links of.
verb: (transitive, computing, Unix) To delete (a file).
noun: (mathematics, knot theory) A link that is equivalent (under ambient isotopy) to finitely many disjoint circles in the plane.

(Definitions from Wiktionary)