Strēam'ér, n.

noun

n. 1. An ensign or flag; a pennon or flag, especially when long and narrow, extended or flowing in the wind.

Brave Rupert from afar appears, Whose waving streamers the glad general knows. Dryden.

Sense 2. A stream or column of light shooting upward from the horizon, constituting one of the forms of the Aurora Borealis.