sororal

from WordNet (r) 3.0 (2006)

sororal
    adj 1: like or characteristic of or befitting a sister;
           "sisterly kindness"; "sororal concern" [syn: {sisterly},
           {sisterlike}, {sororal}] [ant: {brotherlike},
           {brotherly}, {fraternal}]

from The Collaborative International Dictionary of English v.0.48

Sororal \So*ro"ral\, a. [L. soror sister: cf. F. sororal.]
   Relating to a sister; sisterly. [R.]
   [1913 Webster]

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