n. That which streams out, or hangs or floats at full length: applied to anything long and narrow, as a ribbon.n. A long narrow flag; a pennon extended or flowing in the wind: same as pennant, 1 .n. A stream or column of light shooting upward or outward, as in some forms of the aurora borealis.n. A long flowing strip of ribbon, or feather, or something similar, used in decoration, especially in dress.n. A long-exserted feather which streams away from the rest of the plumage of some birds; a pennant or standard. See cuts under Semioptera and standard-bearer.n. In mining, a person who washes for stream-tin. See streaming.n. The geometrid moth Anticlea derivata: an English collectors' name.n.