Definition of "Fold" :
noun: the act of folding
"He gave the napkins a double fold."
noun: a pen for sheep
noun: a folded part (as in skin or muscle)
noun: a group of sheep or goats
noun: a group of people who adhere to a common faith and habitually attend a given church
noun: a geological process that causes a bend in a stratum of rock
noun: an angular or rounded shape made by folding
"A fold in the napkin."
verb: incorporate a food ingredient into a mixture by repeatedly turning it over without stirring or beating
"Fold the egg whites into the batter."
verb: become folded or folded up
"The bed folds in a jiffy."
verb: bend or lay so that one part covers the other
"Fold up the newspaper."
verb: confine in a fold, like sheep
verb: cease to operate or cause to cease operating