workhorse

(noun)

noun

1. machine that performs dependably under heavy use

- the IBM main frame computers have been the workhorse of the business world

Definition categories: man–made, machine

2. a horse used for plowing and hauling and other heavy labor

Definition categories: animal, horse

Sentences with workhorse as a noun:

- Those old machines are not very glamorous, but even 20 years after their introduction, they are still the workhorses of the industry.