The wine of these grapes is poison and venom. Dragons; tannin (cf. Exodus 7:9, Exodus 7:10). Cruel [deadly] venom of asps. The pethen, one of the most poisonous of snakes, the bite of which was immediately fatal (Kitto, 'Bibl.
Cycl.,' 3.494; Smith's 'Dict.,' 1.21). These figures express the thought that Israel had utterly corrupted their way and become abominable; probably also it is intimated that, as they had imitated the impiety of the inhabitants of Sodom and Gomorrah, they deserved to perish as they did (J.
H. Michaelis).