Defn: Contiguous. [Obs.] Shak.

SISTER-IN-LAW
Sis"ter-in-law`, n; pl. Sisters-in-law(

Defn: The sister of one's husband or wife; also, the wife of one's brother; sometimes, the wife of one's husband's or wife's brother.

SISTERLY
Sis"ter*ly, a.

Defn: Like a sister; becoming a sister, affectionate; as, sisterly kindness; sisterly remorse. Shak.

SISTINE
Sis"tine, a.Etym: [It. sistino.]

Defn: Of or pertaining to Pope Sixtus. Sistine chapel, a chapel in the Vatican at Rome, built by Pope Sixtus IV., and decorated with frescoes by Michael Angelo and others.

SISTREN
Sis"tren, n. pl.

Defn: Sisters. [Obs.] Chaucer.

SISTRUM
Sis"trum, Etym: [L., fr. Gr. (Mus.)