fold

1. An act of folding.

   After two reraises in quick succession, John realised his best option was probably a fold.

2. A bend or crease.
3. Any correct move in origami.
4. (newspapers) The division between the top and bottom halves of a broadsheet: headlines above the fold will be readable in a newsstand display; usually the fold.
5. (by extension) The division between the part of a web page visible in a web browser window without scrolling; usually the fold.
6. That which is folded together, or which enfolds or envelops; embrace.
7. The bending or curving of one or a stack of originally flat and planar surfaces, such as sedimentary strata, as a result of plastic (i.e. permanent) deformation.
8. In functional programming, any of a family of higher-order functions that process a data structure recursively to build up a value.
9. A section of source code that can be collapsed out of view in an editor to aid readability.

1. To bend (any thin material, such as paper) over so that it comes in contact with itself.
2. To make the proper arrangement (in a thin material) by bending.

   If you fold the sheets, they'll fit more easily in the drawer.

3. To become folded; to form folds.

   Cardboard doesn't fold very easily.

4. To fall over; to be crushed.

   The chair folded under his enormous weight.

5. To enclose within folded arms (see also enfold).
6. To give way on a point or in an argument.
7. To withdraw from betting.

   With no hearts in the river and no chance to hit his straight, he folded.

8. (by extension) To withdraw or quit in general.
9. To stir gently, with a folding action.

   Fold the egg whites into the batter.

10. Of a company, to cease to trade.

    The company folded after six quarters of negative growth.

11. To double or lay together, as the arms or the hands.

    He folded his arms in defiance.

12. To cover or wrap up; to conceal.

1. A pen or enclosure for sheep or other domestic animals.
2. (collective) A group of sheep or goats.
3. Home, family.
4. A church congregation, a group of people who adhere to a common faith and habitually attend a given church; the Christian church as a whole, the flock of Christ.
5. A group of people with shared ideas or goals or who live or work together.
6. A boundary or limit.

verb

To confine animals in a fold.

noun

The Earth; earth; land, country.