Definition of "fretful"

I could a Tale vnfold, vvhoſe lighteſt vvord / VVould harrovv vp thy ſoule, freeze thy young blood, / Make thy tvvo eyes like Starres, ſtart from their Spheres, / Thy knotty and combined locks to part, / And each particular haire to ſtand an end, / Like Quilles vpon the fretfull Porpentine: […]

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], page 257, column 2

It was another cry, but not quite like the one she had heard last night; it was only a short one, a fretful, childish whine muffled by passing through walls.

1910 November – 1911 August, Frances Hodgson Burnett, The Secret Garden, New York, N.Y.: Frederick A[bbott] Stokes Company, published 1911