To stake one's money against the favourite, taking the chances of the field against the chance of one horse.
To begin military operations.
To go out onto the playing field.
To herd (horses or other livestock).
To quarrel angrily and noisily; to bicker.
Followed by out of: to elicit (something) from a person by arguing or bargaining.
To gather and organize (data, facts, information, etc.), especially in a way which requires sentience rather than automated methods alone, as in data wrangling.
To argue, to debate; also (dated), to debate or discuss publicly, especially about a thesis at a university.
To make harsh noises as if quarrelling.
To convince or influence (someone) by arguing or contending.
To manage or supervise (people).
Angry disputation; noisy quarrelling.
An angry dispute; a noisy quarrel; an altercation.