noun, plural dom·i·na·tri·ces [dom-uh–ney-truh-seez, -nuh–trahy-seez] /ˌdɒm əˈneɪ trəˌsiz, -nəˈtraɪ siz/.
- a woman who plays the dominant role in a sado-masochistic sexual relationship or encounter.
- a woman who dominates.
noun plural dominatrices (ˌdɒmɪnəˈtraɪsiːz)
- a woman who is the dominant sexual partner in a sadomasochistic relationship
- a dominant woman
“dominant female entity,” attested since 1560s, though not in quite the usual modern sense (“Rome … dominatrix of nations” [1561]). See domination + -trix. Modern BDSM sense attested by 1976.