IPA: /ˈreɪʃəli/
KK: /ˈreɪʃəli/
In a way that relates to a person's race or ethnic background.
The policy was criticized for its racially biased implications.
Racially → It is formed from "race" (from Old French *rasse*, meaning a group of people with shared physical characteristics) and "-ally" (meaning in a manner relating to). The word "racially" means in a manner relating to race or ethnicity.
Think of 'race' as a group of people with shared traits, and '-ally' means in a manner. So, racially refers to how something relates to those groups.