בֹּסֶר (bôçerbo'sernoun|masculineunripe)
[Heb] בֹּסֶר ETCBC: בֹּסֶר‎ (subs|grape) OSHL: b.cd.ab TWOT: 257a GK: H1235
Derivation: from the same as בֶּסֶר
Strong's: {an immature grape}
KJV: sour grape.