Gabriel is described as the chief of the angels and the bearer of revelation to the prophets.
Seeing him in a dream therefore signifies honor, dignity, strength, and glad tidings.
Seeing Gabriel cheerful, giving glad tidings and advice, signifies honor, dignity, and strength. If the dreamer is ill, it signifies recovery; if afraid, safety from fear; if sorrowful, relief from grief and distress.
Seeing Gabriel may also signify martyrdom. Receiving food from Gabriel signifies being among the people of Paradise.
Seeing Gabriel greet the dreamer signifies becoming a scholar of high standing worthy of praise. Al-Nabulsi says seeing Gabriel signifies that, however long one lives, one will ultimately die as a martyr; receiving food from him likewise signifies being among the people of Paradise. Gabriel may also signify military action, jihad, victory over an enemy, and gaining knowledge of the religious sciences, astronomy, and other sciences.
Seeing oneself in Gabriel's form signifies generosity, liberality, goodness, and blessing.