The Collaborative International Dictionary
Sistren
Sistren \Sis"tren\, n. pl.
Sisters. [Obs.]
--Chaucer.
Wiktionary
sistren
n. (context archaic English) (plural of sister English)
Usage examples of "sistren".
The Nun received a long conference call from her religious sistren in North America bidding her bon voyage.
While my millions of brethren and sistren chew, chew, chew their way through whatever offal comes along, inexorable but mindless, I preserve my energies for the sweetest meat: the carcass tainted by fear.
Chinese brethren and sistren had been killed by the nuns or turned into guinea pigs after all.