from
The Collaborative International Dictionary of English v.0.48
Chaffy \Chaff"y\, a.
1. Abounding in, or resembling, chaff.
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Chaffy grain beneath the thresher's flail.
--Coleridge.
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2. Light or worthless as chaff.
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Slight and chaffy opinion. --Glanvill.
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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.
[1913 Webster]