'Racial' definitions:

Definition of 'racial'

From: WordNet
adjective
Of or related to genetically distinguished groups of people; "racial groups"
adjective
Of or characteristic of race or races or arising from differences among groups; "racial differences"; "racial discrimination" [ant: nonracial]

Definition of 'Racial'

From: GCIDE
  • Racial \Ra"cial\ (r[=a]"shal), a. Of or pertaining to a race or family of men; as, the racial complexion. [1913 Webster]