How To Use Fin keel In A Sentence

• The sailboat has a fin keel and a rudder that resemble the dorsal and pectoral fins of orcas.
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• Her fin keel struck bottom, and her main topmast lurched and shivered as if about to come down upon our heads. Chapter 15
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• She is very well mannered in conditions that would give fits to the helmsmen of modem boats with high aspect fin keels and spade rudders.
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