Wild grapes are the worthless or noisome fruit described in Isaiah’s song of the vineyard. The term indicates an undesirable harvest rather than a clearly identified species of grape.
Definition
Wild grapes denotes fruit that is worthless or noisome. The expression does not identify a particular species with certainty.
Biblical Usage
In Isaiah’s song of the vineyard, the vineyard produced wild grapes instead of the expected good fruit, representing an undesirable harvest.
Historical Background
The underlying word is closely related to another term translated cockle and conveys the idea of something harmful or worthless.
Historical Bible Dictionaries
International Standard Bible Encyclopedia (ISBE)
<p>(be'ushim, Isa 5:2,4): A word closely allied to bo'shah, Job 31:40, translated "cockle" (which see). It implies something noisome or worthless, but no particular fruit.</p>