What is the meaning of Pólo?

polo (a ball game where two teams of players on horseback use long-handled mallets to propel the ball along the ground and into their opponent's goal)

field (open country; space used to grow crops or hold livestock; course of study or domain of knowledge)

pre-reform spelling (used until 1990) of polo#Portuguese: pole; still used where the agreement hasn’t come into effect and may occur as a sporadic misspelling

pre-reform spelling (used until 1990) of polo#Portuguese: ball game; still used where the agreement hasn’t come into effect and may occur as a sporadic misspelling

Source: wiktionary.org