1
: a ship's galley
2
: a freight-train car attached usually to the rear mainly for the use of the train crew
3
: one that follows or brings up the rear
4
: buttocks
Examples of caboose in a Sentence
I couldn't even make it down the bunny slope without ending up on my caboose
Recent Examples on the Web
For more privacy, be sure to book the private caboose, which can hold up to six passengers.
—
Acacia Gabriel, Travel + Leisure, 8 Oct. 2025
His moving on kind of gave me a kick in the caboose to have courage.
—Lindsay Kimble, PEOPLE, 23 Sep. 2025
At the start of the summer season, in June, the brightest stars of Gemini the Twins, Pollux and Castor appear side by side low in the northwest twilight, bringing up the rear of the winter stellar procession in much the same way as the twin marker lights on a caboose bring up the rear of a train.
—Joe Rao, Space.com, 15 Sep. 2025
Their bed-and-breakfast is full of small joys: a meal of shrimp and grits, weddings under a fig tree, and a historic red caboose converted into a suite.
—Lisa Cericola, Southern Living, 9 Sep. 2025
See All Example Sentences for caboose
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Acacia Gabriel, Travel + Leisure, 8 Oct. 2025
His moving on kind of gave me a kick in the caboose to have courage.
—Lindsay Kimble, PEOPLE, 23 Sep. 2025
At the start of the summer season, in June, the brightest stars of Gemini the Twins, Pollux and Castor appear side by side low in the northwest twilight, bringing up the rear of the winter stellar procession in much the same way as the twin marker lights on a caboose bring up the rear of a train.
—Joe Rao, Space.com, 15 Sep. 2025
Their bed-and-breakfast is full of small joys: a meal of shrimp and grits, weddings under a fig tree, and a historic red caboose converted into a suite.
—Lisa Cericola, Southern Living, 9 Sep. 2025
See All Example Sentences for caboose
Cite this Entry
“Caboose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caboose. Accessed 4 Nov. 2025.
Copy CitationKids Definition
caboose
noun
ca·boose
kə-ˈbüs 
: a car usually at the rear of a freight train for the use of the train crew and railroad workers
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