[stick.le.back] n [ME stykylbak, fr. OE sticel goad + ME bak back; akin to OE stician to stick] (15c): 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
STICKLEBACK
Meaning of STICKLEBACK in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012