Definition of “cross”

noun

1. an upright post with a bar across it near the top, to which the ancient Romans fastened convicted persons to die
2. a representation or figure of a cross, used as a badge, decoration, etc.; also, such a badge, decoration, etc. ⇒ the Distinguished Service Cross
3. a monument in the form of a cross, or with a cross on it, marking a crossroad, boundary, grave, etc.
4. a staff with a cross at the top, carried before an archbishop as a sign of his authority
5. 1. a representation of a cross, in any of various recognized forms, as a symbol of the crucifixion of Jesus, hence of the Christian religion
   2. a crucifix
6. 1. the act of crossing, as from one side of a stage to the other
   2. the act of crossing oneself
7. any trouble or affliction that one has to bear; also, anything that thwarts or frustrates
8. any design, mark, or object made by two lines or surfaces that intersect one another
9. such a mark (X) made as a signature, as by a person who cannot write
10. 1. a crossing, or mixing, of varieties or breeds; hybridization
    2. the result of such mixing; hybrid
11. something that combines the qualities of two different things or types
12. (slang) a dishonest action, fixed contest or match, etc.
13. (boxing) a blow delivered over and across the opponent's lead
14. ([C-]) Northern Cross
15. ([C-]) Southern Cross

transitive verb

16. to make the sign of the cross over or upon
17. to place across or crosswise ⇒ cross your fingers
18. to lie or cut across; intersect ⇒ where two streets cross one another
19. to draw or put a line or lines across ⇒ cross your t's
20. to pass over; go from one side to the other of; go across ⇒ to cross the ocean
21. to carry or lead across
22. to extend or reach across ⇒ the bridge crosses a river
23. to meet and pass (each other)
24. to bring into contact, causing electrical interference ⇒ the wires were crossed
25. to go counter to; thwart; oppose
26. to interbreed (animals or plants); breed (an individual of one type) with one of another; hybridize; cross-fertilize

intransitive verb

27. to lie across; intersect
28. to go or extend from one side to the other (often with over)
29. to pass each other while moving in opposite directions
30. to interbreed; hybridize; cross-fertilize

adjective

31. lying or passing across or through; transverse; crossing or crossed ⇒ cross street, cross ventilation
32. going counter; contrary; opposed ⇒ at cross purposes
33. irritated or irritable; ill-tempered
34. involving reciprocal actions, etc.
35. of mixed variety or breed; hybrid; crossbred
36. (archaic) causing harm; unfavorable

adverb

37. crosswise

1. cross (in various senses) or across ⇒ crossbow, crossbreed, crosswise