/ ˈsaɪdə(r); NAmE / noun
1.
( BrE ) ( NAmE ˈhard cider ) [ U , C ] an alcoholic drink made from the juice of apples :
dry / sweet cider
cider apples
a cider press (= for squeezing the juice from apples)
2.
( NAmE ) [ U , C ] a drink made from the juice of apples that does not contain alcohol
3.
[ C ] a glass of cider
—compare perry
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WORD ORIGIN
Middle English : from Old French sidre , via ecclesiastical Latin from ecclesiastical Greek sikera , from Hebrew šēḵār strong drink.