A compartment at the front of a truck or train for the driver.
2
A similar compartment in other vehicles.
Dad looked up to catch sight of the man in the crane’s cab. He knew that DEVILISH smirk anywhere. It was Fingers.2017, David Walliams [pseudonym; David Edward Williams], “”, in Bad Dad, London: HarperCollins Children’s Books, →ISBN, page 324:
3
A shelter at the top of an air traffic control tower or fire lookout tower.
4
Historical Any of several two- or four-wheeled carriages; a cabriolet.
Captain went out in the cab all the morning. Harry came in after school to feed me and give me water. In the afternoon I was put into the cab. Jerry took as much pains to see if the collar and bridle fitted comfortably, as if he had been John Manly over again. When the crupper was let out a hole or two, it all fitted well. There was no bearing rein—no curb—nothing but a plain ring snaffle. What a blessing that was![1877], Anna Sewell, “A London Cab Horse”, in Black Beauty: […], London: Jarrold and Sons, […], →OCLC, part III, page 158:
“There will soon be very few hansom cabs left,” said Mrs. Elliot. “And four-wheeled cabs—I assure you even at Oxford it’s almost impossible to get a four-wheeled cab.”1915, Virginia Woolf, The Voyage Out, London: Duckworth & Co., […], →OCLC:
5
Synonym of taxi, a vehicle available for public hire for single journeys.
a cab ride
to take a cab
3 more examples
And I'm phoning a cab / 'Cause my stomach feels small / There's a taste in my mouth / And it's no taste at all1971, David Bowie, “Queen Bitch”, in Hunky Dory:
I whistled for a cab, and when it came near / The license plate said "Fresh", and it had dice in the mirror / If anything, I could say that this cab was rare / But I thought "Nah, forget it, yo home to Bel-Air!"1992, “The Fresh Prince of Bel-Air”, Will Smith (lyrics), Quincy Jones and DJ Jazzy Jeff (music):
“I like the system as a cab driver,” he said. “I’m used to it. I like to just pick up a person. Tell me where you’re going, I’ll know where I’m going. It’s easier for me.”2017 October 20, Cecilia Saixue Watt, “'There's no future for taxis': New York yellow cab drivers drowning in debt”, in The Guardian, →ISSN:
Units of measureHistorical A former Hebrew unit of volume, about equal to 1.3 L as a dry measure or 1.25 L as a liquid measure.
[…] in the famine of Samaria […] the fourth part of a cab of pigeon's dung was sold for five pieces of silver […]1646, Sir Thomas Browne, Pseudodoxia Epidemica, III.3: