Definitions
1.NounA method of asphalt shingle application, whereby shingle courses are applied vertically, up the roof rather than laterally across and up.
2.Nounspun yarn used in racking ropes
3.NounThe process of clarifying, and thereby deterring further fermentation of, beer, wine or cider by draining or siphoning it from the dregs.
4.Verbpresent participle and gerund of rack
5.AdjectiveAlternative spelling of wracking.