Definition of rotavate in US English:

rotavate

(also rotovate)

verb

[with object]
  • Break up or till (soil) using a rotavator.

    ‘the field has been plowed and rotavated’

Origin

1950s: from rotavator, the proprietary name of a machine used to break up soil.

Pronunciation

rotavate

/ˈroʊdəˌveɪt//ˈrōdəˌvāt/