a. [f. L. soror sister + -AL. Cf. F. sororal.]

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  1.  By one’s sister; on a sister’s side. rare1.

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1654.  Vilvain, Theorem. Theol., viii. 212. Master John Down a … sororal Nephew to Bishop Juel.

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  2.  That is a sister. rare.

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1819.  Lamb, Lett. (1837), II. 55. How do you all do, amanuenses both—marital and sororal?

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  3.  Of or pertaining to, characteristic of, a sister or sisters; sisterly.

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1858.  Chambers’s Jrnl., IX. 239. Independent of either mother or sister—bound by no authority to either, except … filial and sororal affection.

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1869.  Miss Mulock, Woman’s Kingd., III. 146. To see into what the sororal bond can degenerate, under given circumstances.

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1838.  Sir W. R. Hamilton, in R. P. Graves, Life (1885), II. 270. And Ladies,… With love maternal, or sororal, view Thy gentleness.

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