The Collaborative International Dictionary
Hortensial
Hortensial \Hor*ten"sial\, a. [L. hortensius, hortensis, fr.
hortus garden; akin to E. yard an inclosure.]
Fit for a garden. [Obs.]
--Evelyn.
Wiktionary
hortensial
a. (context obsolete English) Fit for a garden.