Now dial. [Of obscure origin: cf. Sw. dial. sprag, spragg(e in the same sense.] A slip; a twig or spray.

1

1676.  Newton, Corr. (1850), 260. We desire graffs rather then sprags.

2

1895.  P. H. Emerson, Birds Norfolk, 81. He alights on the familiar old hawthorn ‘sprag,’ as the fenmen call a spray.

3