Strong's #1155: bocer (pronounced bo'ser)

from the same as 1154:--sour grape.

Brown-Driver-Briggs Hebrew Lexicon:

ּ

bôser

1) unripe grapes, sour grapes

Part of Speech: noun masculine collective

Relation: from the same as H1154

Usage:

This word is used 4 times:

 

Isaiah 18:5: "the harvest, when the bud is perfect, and the sour grape is ripening in the flower, he shall both cut off"
Jeremiah 31:29: "more, have eaten a sour grape, and the children's teeth are set on edge."
Jeremiah 31:30: "for his own iniquity: every that eateth the sour grape, his teeth shall be set on edge."
Ezekiel 18:2: "saying, The fathers have eaten sour grapes, and the children's teeth are set on edge?"