Bend or crease, as laundry

verb

1. To lay one part over another part of

   "fold a letter"

2. To reduce the length or bulk of by doubling over

   "fold a tent"

3. To clasp together entwine

   "fold the hands"

4. To clasp or enwrap closely embrace
5. To incorporate (a food ingredient) into a mixture by repeated gentle overturnings without stirring or beating
6. To incorporate closely
7. To concede defeat by withdrawing (one's cards) from play (as in poker)
8. To bring to an end
9. To bend (something, such as a layer of rock) into folds
10. To become doubled or pleated
11. To fail completely collapse
12. To fold one's cards (as in poker)

noun

1. A part doubled or laid over another part pleat
2. A crease made by folding something (such as a newspaper)
3. Something that is folded together or that enfolds
4. A bend or flexure produced in rock by forces operative after the depositing or consolidation of the rock
5. An undulation in the landscape
6. A margin apparently formed by the doubling upon itself of a flat anatomical structure (such as a membrane)

noun

1. A group of people or institutions that share a common faith, belief, activity, or enthusiasm

   "His former colleagues would be glad to welcome him back into the fold."

2. A flock of sheep
3. An enclosure for sheep

verb

1. To pen up or confine (sheep) in a fold

suffix

1. Multiplied by (a specified number) times
2. Having (so many) parts

   "threefold aspect of the problem"

noun

1. A prolongation of a fold of the skin of the upper eyelid over the inner angle or both angles of the eye

noun

1. A group of people who have a shared faith or interest

   "His former colleagues would be glad to welcome him back into the fold."