1. a. An upright post with a transverse piece near the top, on which condemned persons were executed in ancient times. b. Often Cross (krôs, krŏs) The upright post with a transverse piece upon which Jesus was crucified. c. A symbolic representation of the structure on which Jesus was crucified. d. A crucifix.

2. A sign made by tracing the outline of a cross with the right hand upon the forehead and chest as a devotional act.

3. A trial, affliction, or frustration. See synonyms at burden1.

4. A medal, emblem, or insignia in the form of an upright post with a transverse piece near the top of it, or a modification thereto.

5. A mark or pattern formed by the intersection of two lines, especially such a mark (X) used as a signature.

6. A pipe fitting with four branches in upright and transverse form, used as a junction for intersecting pipes.

7. Biology. a. A plant or animal produced by crossbreeding; a hybrid. b. The process of crossbreeding; hybridization.

8. One that combines the qualities of two other things: a novel that is a cross between romance and satire.

9. Slang. A contest whose outcome has been dishonestly prearranged.

1. To go or extend across; pass from one side of to the other: crossed the room to greet us; a bridge that crosses the bay.

2. To carry or conduct across something: crossed the horses at the ford.

3. To extend or pass through or over; intersect: Elm Street crosses Oak Street.

4. a. To delete or eliminate by or as if by drawing a line through: crossed tasks off her list as she did them. b. To make or put a line across: Cross your t's.

5. To place crosswise one over the other: cross one's legs.

6. To make the sign of the cross upon or over as a sign of devotion.

7. To encounter in passing: His path crossed mine.

8. Informal. a. To interfere with; thwart or obstruct: Don't cross me. b. To ruin completely. Used with up: Their lack of cooperation crossed up the whole project.

9. Biology. To crossbreed or cross-fertilize (plants or animals).

1. To lie or pass across each other; intersect.

2. a. To move or extend from one side to another: crossed through Canada en route to Alaska. b. To make a crossing: crossed into Germany from Switzerland.

3. To change from one condition or loyalty to another. Used with over.

4. To meet in or as if in passing: Our letters must have crossed in the mail.

5. Biology. To crossbreed or cross-fertilize.

1. Lying or passing crosswise; intersecting: a cross street.

2. Contrary or counter; opposing.

3. Showing ill humor; annoyed.

4. Involving interchange; reciprocal.

5. Crossbred; hybrid.