n.

1. an angular or rounded shape made by folding;
   crease, plication, flexure, crimp, bend
   
   • a fold in the napkin
   • a crease in his trousers
   • a plication on her blouse
   • a flexure of the colon
   • a bend of his elbow
2. a group of people who adhere to a common faith and habitually attend a given church;
   congregation, faithful
3. a geological process that causes a bend in a stratum of rock;
   folding
4. a group of sheep or goats;
   flock
5. a folded part (as in skin or muscle);
   plica
6. a pen for sheep;
   sheepfold, sheep pen, sheepcote
7. the act of folding;
   folding
   
   • he gave the napkins a double fold

v.

1. bend or lay so that one part covers the other;
   fold up, turn up
   
   • fold up the newspaper
   • turn up your collar
2. intertwine
   
   • fold one's hands, arms, or legs
3. incorporate a food ingredient into a mixture by repeatedly turning it over without stirring or beating
   
   • Fold the egg whites into the batter
4. cease to operate or cause to cease operating;
   close up, close, shut down, close down
   
   • The owners decided to move and to close the factory
   • My business closes every night at 8 P.M.
   • close up the shop
5. confine in a fold, like sheep;
   pen up
6. become folded or folded up;
   fold up
   
   • The bed folds in a jiffy