workhorse   (TTS Sound)

The workhorse has 2 Senses.

• workhorse
• machine that performs dependably under heavy use; "the IBM main frame computers have been the workhorse of the business world"
• 頻繁に使用しても頼もしく働く機械

• workhorse
• a horse used for plowing and hauling and other heavy labor
• 耕作したり、牽引したり、他の重労働に使われる馬