~ 1
■ noun
1》 a long-bodied cartilaginous marine fish, typically predatory and voracious, with a prominent dorsal fin. [Many species in the subclass Elasmobranchii.]
2》 a small black SE Asian freshwater fish. [ Labeo bicolor and Morulius chrysophekadion .]
3》 a light greyish-brown moth. [ Cucullia umbratica .]
Origin
ME: of unknown origin.
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~ 2
■ noun informal
1》 a person who exploits or swindles others.
2》 US an expert in a specified field: a pool ~.
Origin
C16: perh. from Ger. Schurke 'worthless rogue', influenced by ~ 1 .