crossing

1. is a type of: travel, traveling, travelling - the act of going from one place to another
   subtypes:

   • ford, fording - the act of crossing a stream or river by wading or in a car or on a horse
   • traversal, traverse - taking a zigzag path on skis
2. is a type of: body of water, water - the part of the earth's surface covered with water (such as a river or lake or ocean)
   is a part of: stream, watercourse - a natural body of running water flowing on or under the earth
   same as: ford
3. is a type of: point - the precise location of something; a spatially limited location
4. is a type of: junction - the place where two or more things come together
   subtypes:

   • corner, street corner, turning point - the intersection of two streets
   • grade crossing, level crossing - intersection of a railway and a road on the same level; barriers close road when trains pass
   is a part of: road, route - an open way (generally public) for travel or transportation
   same as: carrefour, crossroad, crossway, intersection
5. is a type of: path - a way especially designed for a particular use
   subtypes:

   • grade separation - a crossing that uses an underpass or overpass
   • pedestrian crossing, zebra crossing - street crossing where pedestrians have right of way; often marked in some way (especially with diagonal stripes)
   same as: crossover, crosswalk
6. referred to in: genetic science, genetics - the branch of biology that studies heredity and variation in organisms
   is a type of: conjugation, coupling, mating, pairing, sexual union, union - the act of pairing a male and female for reproductive purposes
   subtypes:

   • dihybrid cross - hybridization using two traits with two alleles each
   • monohybrid cross - hybridization using a single trait with two alleles (as in Mendel's experiments with garden peas)
   • reciprocal, reciprocal cross - hybridization involving a pair of crosses that reverse the sexes associated with each genotype
   • test-cross, testcross - a cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring
   same as: cross, crossbreeding, hybridisation, hybridization, hybridizing, interbreeding
7. is a type of: voyage - a journey to some distant place

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