|Int. Standard Bible Encyclopedia|
ke'-niks (choinix): A Greek dry measure, almost equal to one quart. Mentioned in the New Testament only in Revelation 6:6, where the Revised Version, margin would read "choenix" instead of the indefinite translation "measure." The verse is then obviously a threat of famine.
Choenix (1 Occurrence)
Revelation 6:6 I heard a voice in the midst of the four living creatures saying, "A choenix of wheat for a denarius, and three choenix of barley for a denarius! Don't damage the oil and the wine!" (WEB DBY)