toˈmentous,a. [ad.mod.L. tōmentōs-us or F. tomenteux: see -ous.] = tomentose. 1806J. Galpine Brit.Bot. §285 Leaves cordate, doubly-serrated, tomentous beneath.1822J. Parkinson Outl. Oryctol. 40 Soft, tomentous, very jagged and porous.1900B. D. Jackson Gloss.Bot. Terms.