The first explicit covenant in Scripture, made with Noah and his sons after the flood (Gen 9:8-17). The Lord promised that He would never again destroy all flesh with a flood; the sign of the covenant was the rainbow set in the cloud. The Hebrew word for rainbow (qeshet) is the same word for a battle-bow; the imagery may suggest a war-bow hung up, signaling cessation of judgment.
RAINBOW COVENA, n.
A scriptural covenant; the post-flood promise sealed by the rainbow.
Genesis 9:11 — "Neither shall all flesh be cut off any more by the waters of a flood; neither shall there any more be a flood to destroy the earth."
Genesis 9:13 — "I do set my bow in the cloud, and it shall be for a token of a covenant between me and the earth."
Genesis 9:16 — "And the bow shall be in the cloud; and I will look upon it, that I may remember the everlasting covenant."
Isaiah 54:9 — "For this is as the waters of Noah unto me: for as I have sworn that the waters of Noah should no more go over the earth."
Modern culture appropriates the rainbow as a different symbol; Genesis 9 has prior claim.
The rainbow in Genesis 9 is a covenantal sign of God's mercy holding back judgment. The same rainbow surrounds the throne in Revelation 4:3 — the heavenly throne is encircled by a sign of mercy even when it is preparing judgment. The Lord's mercy and His justice are not at war; the rainbow signals both at once.
Modern culture has appropriated the rainbow as a symbol of LGBTQ identity. Genesis 9 has prior claim by about thirty-five hundred years. The rainbow is the Lord's sign of covenant mercy after a global judgment. Look up at the next rainbow you see and remember: the Lord did not destroy the earth though sin demanded it; He set His bow in the cloud and remembers His covenant. The promise stands; the next judgment will be by fire (2 Pet 3), not water.
Hebrew/Greek roots below.
H7198 — qeshet — bow; rainbow
"Modern culture appropriates the rainbow; Genesis 9 has prior claim."
"The rainbow signals mercy holding back judgment, not a different identity."
"Look up at the next rainbow; the Lord remembers His covenant."