IPA: //ˈkʌltɪˌveɪtə//
KK: /ˈkʌltɪˌveɪtər/
A tool or machine used to prepare the soil for planting and to remove weeds from around plants. It can also refer to a person who grows and nurtures plants or crops.
The farmer used a cultivator to prepare the field for planting vegetables.
Cultivator → It is formed from "cultivare" (meaning to till or cultivate) and "-or" (meaning one who). The word "cultivator" refers to one who tills or cultivates land.
Think of someone who 'tills' ('cultivare') the soil — that's why a cultivator is someone who cultivates.