The phrases cross my heart or cross my heart and hope to die are used in informal speech to stress that you are telling the truth and will do what you promise.
The cross is a geometrical figure consisting of two intersecting lines or bars usually perpendicular to each other. The lines usually run vertically and horizontally. A cross of oblique lines in the shape of the Latin letter X is also termed a "saltire" in heraldic terminology.
A cross is a shape that consists of a vertical line or piece with a shorter horizontal line or piece across it. It is the most important Christian symbol. Round her neck was a cross on a silver chain. He solemnly made the sign of the cross. Christ died on the cross.
The meaning of CROSS is a structure consisting of an upright with a transverse beam used especially by the ancient Romans for execution. How to use cross in a sentence.
If you cross a plant or animal with another of a different type you cause them to breed together in order to produce a new variety (= type of plant or animal).