Webster’s Revised Unabridged Dictionary · 1913
Ciclatoun
Cic′la·toun′ (sĭk′lȧ·to͞on′), n. [Of. ciclaton.] A costly cloth, of uncertain material, used in the Middle Ages. [Obs.] [Written also checklaton, chekelatoun.]
His robe was of ciclatoun, That coste many a Jane. Chaucer.