rudderfish \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\noun Etymology:rudder (I) + fish : any of various fishes reputed to follow or accompany ships: a.: pilot fish 1 b.: banded rudderfish c.: any of several butterfishes (family Stromateidae) d.: any of various fishes of the family Kyphosidae; especially: bermuda chub e.: the opaleye or other fish of the family Girellidae