The term cross can refer to a number of different meanings depending on context.
In its most common usage, a cross is a geometrical figure consisting of an horizontal line crossed by a vertical one, usually used as a symbol or representation of Christianity. It represents the crucifixion of Jesus Christ and is often worn as jewelry or displayed in churches and other religious settings.
In addition to its religious connotation, cross can also refer to a physical structure resembling the geometrical figure, such as a tall building with four sides, or an intersection where two roads meet at right angles. It may also be used metaphorically to describe something that is difficult or unpleasant to bear, as in "I had to bear the cross of my father's death."
Overall, the term "cross" has multiple meanings and can vary depending on context.