A jack mackerel (Trachurus trachurus), of the family Carangidae.

(archaic) To get on one's high horse.

The speaker is willing to sacrifice anything to obtain a seemingly unimportant item that is invaluable at a critical moment.

(finance) One should invest based on the management team behind a venture, rather than on the product or service being sold.

Alternative form of bet the jockey, not the horse

To support something or someone unsuccessful.

plural of one-horse lawyer

A lawyer who has only worked in a small town, lacking the experience and sophistication of more prominent lawyers.

Synonym of back the wrong horse

An infectious disease of horses, caused by the bacterium Neorickettsia risticii.