What is the meaning of the word "cab"?

Definitions:

A type of vehicle for hire with a driver. NOUN
- I hailed a cab to take me to the airport.
A type of vehicle often used for a non-shared ride by a single passenger or small group of passengers. NOUN
- We went to the restaurant by taking a cab.
An ancient Hebrew measure equal to about two quarts. NOUN
- In ancient Hebrew society, the 'cab' served as a critical measure for grains and other dry goods, highlighting the economic and agricultural practices of the era.
Any of various horse-drawn vehicles, as a hansom or brougham, especially one for public hire. NOUN
- The horse-drawn cab trotted down the cobblestone street.
The part of a truck, tractor, or locomotive where the driver sits. NOUN
- The train driver let me ride in the cab.