Definition of stickleback
: any of a family (Gasterosteidae) of small scaleless bony fishes having two or more free spines in front of the dorsal fin and including marine, anadromous, and freshwater forms
Recent Examples of stickleback from the Web
One poor fellow is turned into an involuntary stickleback.
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Origin and Etymology of stickleback
Middle English stykylbak, from Old English sticel goad + Middle English bak back; akin to Old English stician to stick
First Known Use: 15th centurySee Words from the same year
STICKLEBACK Defined for Kids
Definition of stickleback for Students
: a small scaleless fish with sharp spines on its back
Seen and Heard
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