from
The Collaborative International Dictionary of English v.0.48
Sequin \Se"quin\, n. [F. sequin, It. zecchino, from zecca the
mint, fr. Ar. sekkah, sikkah, a die, a stamp. Cf. {Zechin}.]
An old gold coin of Italy and Turkey. It was first struck at
Venice about the end of the 13th century, and afterward in
the other Italian cities, and by the Levant trade was
introduced into Turkey. It is worth about 9s. 3d. sterling,
or about $2.25. The different kinds vary somewhat in value.
[Written also {chequin}, and {zequin}.]
[1913 Webster]