Caser in English dictionary caser Meanings and definitions of "Caser" (slang, UK) A crown, a five shilling coin. noun (slang, Britain) A crown, a five shilling coin. more Grammar and declension of Caser caser ( plural casers) caser (plural casers) more Caser Sample sentences with "Caser" Declension Stem Try again Available translations French Galatac Quechua Authors