The Collaborative International Dictionary
chekelatoun
Ciclatoun \Cic"la*toun`\, 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.
Wiktionary
chekelatoun
n. (obsolete form of ciclatoun English)