crossing

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act or action of crossing.
• noun A place at which roads, lines, or tracks intersect; an intersection.
• noun A place at which a river, railroad, or highway, for example, may be crossed.
• noun The intersection of the nave and transept in a cruciform church.
• noun Biology The process of crossbreeding; hybridization.

from The Century Dictionary.

• noun The act of passing across something: as, the crossing of the Atlantic.
• noun Intersection: as, the crossing of bars in latticework.
• noun The place at which a road, ravine, mountain, river, etc., is or may be crossed or passed over: as, the crossings of streets.
• noun In railroads, the necessary arrangement of rails to form a communication from one track-way to the other.
• noun The act of opposing or thwarting; contradiction.
• noun The act of making the sign of the cross: as, with many protestations and crossings.
• noun The act or process of cross-breeding or cross-fertilizing: hybridization.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act by which anything is crossed.
• noun The act of making the sign of the cross.
• noun The act of interbreeding; a mixing of breeds.
• noun Intersection, as of two paths or roads.
• noun A place where anything (as a stream) is crossed; a paved walk across a street, or a set of marks across the street pavement indicating that this is a designated location for pedestrians to cross.
• noun Contradiction; thwarting; obstruction.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An intersection where roads, lines, or tracks cross
• noun A place at which a river, railroad, or highway may be crossed
• noun A voyage across a body of water
• noun architecture The volume formed by the intersection of chancel, nave and transepts in a cruciform church; often with a tower or cupola over it
• adjective rare Extending or lying across; in a crosswise direction.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun traveling across
• noun a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other
• noun a shallow area in a stream that can be forded
• noun a voyage across a body of water (usually across the Atlantic Ocean)
• noun a junction where one street or road crosses another
• noun a point where two lines (paths or arcs etc.) intersect
• noun (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids