Dictionary

stickleback

noun stick·le·back \ˈsti-kəl-ˌbak\
plural stick·le·backs also stick·le·back

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
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Origin 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 century
STICKLEBACK Defined for Kids

stickleback

noun stick·le·back \ˈsti-kəl-ˌbak\

Definition of STICKLEBACK for Kids

:  a small scaleless fish with sharp spines on its back
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