Hypertext Webster Gateway: "unweave"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Unweave \Un*weave"\, v. t. [1st pref. un- + weave.]
To unfold; to undo; to ravel, as what has been woven.
From WordNet (r) 1.7 (wn)
unweave
v : undo strands that have been woven together [ant: {weave}]
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