I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: sun (I) + fish
1.
a. : ocean sunfish
b. : any of several rare related forms of the genus Ranzania
2. : any of numerous American freshwater fishes constituting the family Centrarchidae and having a deep compressed body and usually a brilliant metallic coloration — see pumpkinseed 1, longear sunfish
3. : opah
4. : a moonfish ( Vomer setipennis )
5. : threadfish 1
6. : basking shark 1
7. : a large jellyfish
II. intransitive verb
West : to buck by bringing the shoulders alternately nearly to the ground and raising them
the bronc … lunged, broke rhythm and sunfished — Dan Cushman