What is the meaning of Crossing?

Cross-breeding.

Opposition; thwarting.

An intersection where roads, lines, or tracks cross.

A place at which a river, railroad, or highway may be crossed.

The act by which terrain or a road etc. is crossed.

A voyage across a body of water.

The volume formed by the intersection of chancel, nave and transepts in a cruciform church; often with a tower or cupola over it.

Movement into a crossed position.

A pair of intersecting edges.

A pair of parallel lines printed on a cheque.

The appropriation of a form of language by somebody who is not a member of the group that speaks it.

Extending or lying across; in a crosswise direction.

present participle and gerund of cross

Source: wiktionary.org