Definition of "unfold"

Unfold thy forehead gathered into frowns.

, George Herbert, edited by [Nicholas Ferrar], The Temple: Sacred Poems, and Private Ejaculations, Cambridge, Cambridgeshire: […] Thomas Buck and Roger Daniel; and are to be sold by Francis Green, […]; reprinted London: Elliot Stock, […], 1885,

Meanwhile Nanny Broome was recovering from her initial panic and seemed anxious to make up for any kudos she might have lost, by exerting her personality to the utmost. She took the policeman's helmet and placed it on a chair, and unfolded his tunic to shake it and fold it up again for him.

1963, Margery Allingham, chapter 19, in The China Governess‎

Memento unfolds over 22 scenes—or, more accurately, 22 strands of time, the main strand (in color) moving backward in increments, and another strand (in black and white) going forward, though the two overlap profoundly.

2012 November 8, Scott Tobias, “Memento’s puzzle structure hides big twists and bigger profundities”, in The AV Club‎

Pity me not, but lend thy serious hearing To what I shall unfold.

c. 1599–1602 (date written), William Shakespeare, “The Tragedie of Hamlet, Prince of Denmarke”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene v]

Unfold the passion of my love.

c. 1601–1602 (date written), William Shakespeare, “Twelfe Night, or What You Will”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene iv]