Source : Webster's Revised Unabridged Dictionary (1913)

Finespun \Fine"spun`\, a.
   Spun so as to be fine; drawn to a fine thread; attenuated;
   hence, unsubstantial; visionary; as, finespun theories.

Source : WordNet®

finespun
     adj 1: developed with extreme delicacy and subtlety; "the satire
            touches with finespun ridicule every kind of human
            pretense" [syn: {delicate}]
     2: developed in excessively fine detail; "finespun
        distinctions" [syn: {hairsplitting}]