a. [f. L. soror sister + -AL. Cf. F. sororal.]
1. By ones sister; on a sisters side. rare1.
1654. Vilvain, Theorem. Theol., viii. 212. Master John Down a sororal Nephew to Bishop Juel.
2. That is a sister. rare.
1819. Lamb, Lett. (1837), II. 55. How do you all do, amanuenses bothmarital and sororal?
3. Of or pertaining to, characteristic of, a sister or sisters; sisterly.
1858. Chamberss Jrnl., IX. 239. Independent of either mother or sisterbound by no authority to either, except filial and sororal affection.
1869. Miss Mulock, Womans Kingd., III. 146. To see into what the sororal bond can degenerate, under given circumstances.
1838. Sir W. R. Hamilton, in R. P. Graves, Life (1885), II. 270. And Ladies, With love maternal, or sororal, view Thy gentleness.