鱼鳍 yúqí fin Origin Definitions Defs Strokes Stroke Words Sentences Sents 鱼 魚 yú noun fish fish; generic term for aquatic cold-blooded vertebrates with gills and fins鳍 鰭 qí fin The organ of a fish or other aquatic vertebrate used for movement and steering; it consists of a membrane supported by bony or cartilaginous spines.