Found 2 items, similar to Siser.
English → English (WordNet) Definition: sis sis n : a female person who has the same parents as another person; “my sister married a musician” [syn: sister] [ant: brother]
English → English (gcide) Definition: Siser Siser \Si"ser\, n. Cider. See Sicer. [Obs.] --Chaucer. [1913 Webster]