Strong's #8321: soreq (pronounced so-rake')

or sowreq {so-rake'}; and (feminine) soreqah {so- ray-kaw'}; from 8319 in the sense of redness (compare 8320); a vine stock (properly, one yielding purple grapes, the richest variety):--choice(-st, noble) wine. Compare 8291.

Brown-Driver-Briggs Hebrew Lexicon:

ׂ / ׂ / ׂ

śôrêq / śôrêqâh

1) choice species of vine, choice grapes

Part of Speech: noun masculine

Relation: from H8319 in the sense of redness (compare H8320)

Usage:

This word is used 3 times:

 

Genesis 49:11: "unto the vine, and his ass's colt unto the choice vine; he washed his garments in wine, and his clothes"
Isaiah 5:2: "And he fenced it, and gathered out the stones thereof, and planted it with the choicest vine, and built a tower in the midst of it, and also"
Jeremiah 2:21: "Yet I had planted thee a noble vine, wholly a right seed: how then art thou turned"