THICK SKIN • FREE-TRANSLATOR.COM • Definition of Thick skin

... bodies, such uniformly short necks, such sloping shoulders, such flat faces and flatter noses, such wide, heavy, thick-lipped mouths, such projecting cheek bones, such low foreheads, such flat-topped heads, and such tight, thick skin, which suggests the word hide-bound. The dark, tawny complexion has no richness of tint. Both men and women are short, and the teeth of both sexes are blackened by the constant chewing of the betel-nut, which reddens the saliva, which is constantly flowing like blood ...

— The Golden Chersonese and the Way Thither • Isabella L. Bird (Mrs. Bishop)

... the red type of Labrusca. The fruit has no particular merit, its thick skin, coarse pulp, seeds and foxy taste all being objectionable. However, the vine is very hardy, productive, and ripens its fruit early so that this variety becomes valuable in locations where a vigorous, hardy, early grape is wanted. Asa ...

— Manual of American Grape-Growing • U. P. Hedrick