Definition of "supersaliency"

[T]heir coition is made by supersaliency, like that of horses, as we are informed by some who have beheld them in that act

1650, Thomas Browne, Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […]

[…] I therefore think, Sarah, that the incommensurability of the crime with the effect, completely warrants the supersaliency of this noctivagant delinquent.

1823, James Hogg, “Peril Second. Leasing. Circle II.”, in The Three Perils of Woman; or, Love, Leasing, and Jealousy. […], volume III, London: Longman, Hurst, Rees, Orme, Brown, and Green, […], page 91