'Racking' definitions:

Definition of 'racking'

From: WordNet
adjective
Causing great physical or mental suffering; "a wrenching pain" [syn: racking, wrenching]

Definition of 'Racking'

From: GCIDE
  • Racking \Rack"ing\, n. (Naut.) Spun yarn used in racking ropes. [1913 Webster]

Definition of 'Racking'

From: GCIDE
  • Rack \Rack\, v. i. [imp. & p. p. Racked (r[a^]kt); p. pr. & vb. n. Racking.] [See Rack that which stretches, or Rock, v.] To amble fast, causing a rocking or swaying motion of the body; to pace; -- said of a horse. --Fuller. [1913 Webster]