Definition of showboat
(Entry 1 of 2)
1
: a river steamship containing a theater and carrying a troupe of actors to give plays at river communities
2
: one who tries to attract attention by conspicuous behavior
showboat
verb
showboated; showboating; showboats
Definition of showboat (Entry 2 of 2)
: to behave in a conspicuous or ostentatious manner : show off
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Merriam-Webster unabridged
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Time Traveler for showboat
The first known use of showboat was in 1839
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