noun, plural (especially collectively) spearfish (especially referring to two or more kinds or species) spearfishes.
any of several fishes
of the genus Tetrapturus,
resembling the sailfish but having the first dorsal fin much less developed: inhabiting all seas, but rare.
any of several related fishes
verb (used without object), spearfished, spearfishing.
underwater using a spearlike implement used manually or propelled mechanically.