Keelboat definitions

kēl'bōt'
A riverboat with a keel but without sails, used for carrying freight.
noun
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A large, shallow freight boat with a keel, formerly used on the Mississippi, Missouri, etc.
noun
7
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(sailing) Any sailboat having a keel (as opposed to a centerboard or daggerboard).
noun
0
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Origin of keelboat

keel +‎ boat