to bend a piece of paper, cloth etc by laying or pressing one part over another:
Fold the paper along the dotted line.
It'll fit in if you fold it in half.
fold something over/under/down etc
Spoon the filling onto the dough, fold it over, and press down the edges.
to fold something several times so that it makes a small neat shape [↪ unfold]:
smaller/neateralso fold up [transitive]DH
I wish you kids would fold up your clothes!
He folded the map neatly.
if something such as a piece of furniture folds, or you fold it, you make it smaller or move it to a different position by bending it:
furniture etc[intransitive and transitive]
The chairs fold flat for storage.
fold (something) away/up/down etc➔ folding
a useful little bed that folds away when you don't need it
Can you fold the shutters back?
to bend your arms so that they rest together against your body:
George stood silently with his arms folded.
if an organization folds, it closes because it does not have enough money to continue
businessalso fold up [intransitive]BB
to cover something, especially by wrapping it in material or putting your hand over it
cover[transitive always + adverb/preposition]
fold something in something
a silver dagger folded in a piece of white cloth
to hold someone closely by putting your arms around them
fold something ↔ inphrasal verb
to gently mix another substance into a mixture when you are preparing food:
Next, fold in the sugar.