combine

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To bring into a state of unity; merge.
2. v. To join (two or more substances) to make a single substance, such as a chemical compound; mix.
3. v. To possess or exhibit in combination: The choreography, which combines artistry and athletics, is extremely innovative.
4. v. To harvest (a grain crop) using a cutting, threshing, and cleaning machine.
5. v. To become united; coalesce.
6. v. To join forces for a common purpose. See Synonyms at join.
7. v. Chemistry To form a compound.
8. v. To harvest a grain crop using a cutting, threshing, and cleaning machine: "Norwegian bachelor farmers combining in their antique McCormacks” ( Garrison Keillor).
9. n. A power-operated harvesting machine that cuts, threshes, and cleans grain.
10. n. An association of people or groups united for the furtherance of political or commercial interests.
11. n. A combination.

Century Dictionary and Cyclopedia

1. To associate, unite, or join into a whole; connect closely together.
2. Synonyms To mix, compound, blend.
3. To unite; coalesce: as, honor and policy combine to justify the measure.
4. Specifically To unite in friendship or alliance for the attainment of some common end; league together; join forces; associate; coöperate: followed by with.
5. To unite by affinity or chemical attraction: as, two substances which will not combine of themselves may be made to combine by the intervention of a third.
6. n. A combination or agreement; especially, a secret combination for the purpose of committing fraud; a conspiracy.

Wiktionary

1. v. transitive To bring (two or more things or activities) together; to unite.
2. v. transitive to have two or more things or properties that function together
3. v. intransitive To come together; to unite.
4. v. card games In the game of casino, to play a card which will take two or more cards whose aggregate number of pips equals those of the card played.
5. n. A combine harvester
6. n. A concern, consortium or syndicate.

GNU Webster's 1913

1. v. To unite or join; to link closely together; to bring into harmonious union; to cause or unite so as to form a homogeneous substance, as by chemical union.
2. v. obsolete To bind; to hold by a moral tie.
3. v. To form a union; to agree; to coalesce; to confederate.
4. v. To unite by affinity or natural attraction.
5. v. (Card Playing) In the game of casino, to play a card which will take two or more cards whose aggregate number of pips equals those of the card played.

WordNet 3.0

1. v. put or add together
2. v. have or possess in combination
3. v. join for a common purpose or in a common action
4. v. add together from different sources
5. v. mix together different elements
6. n. a consortium of independent organizations formed to limit competition by controlling the production and distribution of a product or service
7. v. gather in a mass, sum, or whole
8. n. an occurrence that results in things being united
9. v. combine so as to form a whole; mix.
10. n. harvester that heads and threshes and cleans grain while moving across the field