1) Fish genus 2) Genus scomber 3) Type genus of the scombridae 
Scomber is a genus of ocean-dwelling mackerels in the family Scombridae. The four species of Scomber together with the three species of Rastrelliger comprise the tribe Scombrini, known as the `true mackerels`. FishBase lists four species: ...
• (n.) A genus of acanthopterygious fishes which includes the common mackerel.
Scom'ber noun [ Latin , a mackerel, Greek ....] (Zoology) A genus of acanthopterygious fishes which includes the common mackerel. 
[n] - type genus of the Scombridae
genus Scomber noun type genus of the Scombridae