KEX

Kex (?), n. [[W. cecys, pl., hollow stalks.]] 1. 1. (Bot.) A weed; a kecksy. Bp. Gauden.
Though the rough kex break The starred mosaic. Tennyson. 2. 2. A dry husk or covering.
When the kex, or husk, is broken, he proveth a fair flying butterfly. Holland.