rotavator

As a noun rotavator

is proprietary name of a machine with rotating blades designed to break up or till soil.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between tiller and rotavator

is that tiller is a person who tills; a farmer while rotavator is proprietary name of a machine with rotating blades designed to break up or till soil.

As a verb tiller

is to put forth new shoots from the root or from around the bottom of the original stalk; stool.

As nouns the difference between harrow and rotavator

is that harrow is a device consisting of a heavy framework having several disks or teeth in a row, which is dragged across ploughed land to smooth or break up the soil, to remove weeds or cover seeds; a harrow plow while rotavator is proprietary name of a machine with rotating blades designed to break up or till soil.

As a verb harrow

is to drag a harrow over; to break up with a harrow.

As an interjection harrow

is a call for help, or of distress, alarm etc.

As nouns the difference between cultivator and rotavator

is that cultivator is any of several devices used to loosen or stir the soil, either to remove weeds or to provide aeration and drainage while rotavator is proprietary name of a machine with rotating blades designed to break up or till soil.

As a noun rotavator is

proprietary name of a machine with rotating blades designed to break up or till soil.

As nouns the difference between taxonomy and rotavator

is that taxonomy is the science or the technique used to make a classification while rotavator is proprietary name of a machine with rotating blades designed to break up or till soil.

Zerovator is likely misspelled.

Zerovator has no English definition.

As a noun rotavator is

proprietary name of a machine with rotating blades designed to break up or till soil.