The word "goat" has a few different meanings, and I will explain them one by one.
Animal: A goat is a farm animal that is similar to a sheep but has a beard and straight horns. Goats are known for being very agile and can often climb steep hills. They are also often kept for their milk, meat, and wool.
Astrology: In astrology, "Goat" refers to the zodiac sign Capricorn. People born between December 22 and January 19 are said to be Capricorns.
Victim of Ridicule: The term "goat" can also mean someone who is made fun of or is the target of jokes or pranks.