\Chaff"y\, a.
1. Abounding in, or resembling, chaff.
         Chaffy grain beneath the thresher's flail.
                                               --Coleridge.
2. Light or worthless as chaff.
         Slight and chaffy opinion.            --Glanvill.
3. (Bot.)
   (a) Resembling chaff; composed of light dry scales.
   (b) Bearing or covered with dry scales, as the under
       surface of certain ferns, or the disk of some
       composite flowers.