unfold

Meanings

1. To undo a folding.
2. To become unfolded.
3. To turn out; to happen; to develop.
4. To lay open to view or contemplation; to bring out in all the details, or by successive development; to reveal.
5. To reassemble a line of text that was split across multiple lines.

1. In functional programming, a kind of higher-order function that is the opposite of a fold.

1. To release from a fold or pen.

Etymology

From Middle English unfolden, from Old English unfealdan (“to unfold”), equivalent to un- + fold.