'Leeway' definitions:

Definition of 'leeway'

(from WordNet)
noun
(of a ship or plane) sideways drift
noun
A permissible difference; allowing some freedom to move within limits [syn: allowance, leeway, margin, tolerance]

Definition of 'Leeway'

From: GCIDE
  • Leeway \Lee"way`\ (l[=e]"w[=a]`), n. (Naut.) The lateral movement of a ship to the leeward of her course; drift. [1913 Webster]

Synonyms of 'leeway'

From: Moby Thesaurus