prochlorperazine

noun
pro·​chlor·​per·​azine | \ ˌprō-ˌklȯr-ˈper-ə-ˌzēn How to pronounce prochlorperazine (audio) \

Medical Definition of prochlorperazine

: a drug C20H24ClN3S that is a phenothiazine derivative having antiemetic and antipsychotic properties

Note: Prochlorperazine is marketed under the trademark Compazine.