the refuse of winnowed corn

It was usually burned (Exodus 15:7; Isaiah 5:24; Matthew 3:12). This word sometimes, however, means dried grass or hay (Isaiah 5:24; 33:11).

Chaff is used as a figure of abortive wickedness (Psalm 1:4; Matthew 3:12).

False doctrines are also called chaff (Jeremiah 23:28), or more correctly rendered “chopped straw.” The destruction of the wicked, and their powerlessness, are likened to the carrying away of chaff by the wind (Isaiah 17:13; Hos. 13:3; Zeph. 2:2).

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