Definition of sailfish
: any of a genus (Istiophorus, especially I. platypterus) of billfishes having a very large dorsal fin
Recent Examples of sailfish from the Web
Yes, Gregg Allman caught at least 47 sailfish and a 180-pound tarpon.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sailfish'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of sailfish
SAILFISH Defined for Kids
Definition of sailfish for Students
: a fish with a large fin like a sail on its back
Seen and Heard
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