Source : Webster's Revised Unabridged Dictionary (1913)

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

Source : WordNet®

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