The Collaborative International Dictionary
Seroon
Seron \Se*ron"\, Seroon \Se*roon"\, n. [Sp. seron a kind of hamper or pannier, aug. of sera a large pannier or basket.] Same as Ceroon.
Note: This word as expressing a quantity or weight has no
definite signification.
--McElrath.
Wiktionary
seroon
n. (alternative form of ceroon English)