To try to come out ahead in a competition for something specific or put oneself in a more favourable position generally.
To try to get one's horse into a better position during a horse race.
To contend, with an opponent, by grappling and attempting to throw, immobilize or otherwise defeat him, depending on the specific rules of the contest
To take part in a wrestling match with someone
To move or lift something with difficulty
To struggle or strive
To fight.
To throw a calf etc in order to brand it
A struggle.
A wrestling bout.