汎:
1. Same as "泛" (fàn), which means to float.
2. Verb: To float.
Example: “泛舟” (fàn zhōu) - "to row a boat."
Source: Tang Dynasty poet Du Fu's poem, "奉赠太常张卿均二十韵": “萍泛无休日,桃阴想旧蹊。” (The duckweed floats without a day off, recalling old paths under the peach shade.)
Source: Song Dynasty poet Lu You's poem, "谢池春.壮岁从戎": “功名梦断,却泛扁舟吴楚。” (Dreams of fame are broken; I float in a flat-bottomed boat between Wu and Chu.)
3. Verb: To appear, to show.
Example: "他脸上泛了一层红光。" (A layer of rosy glow appeared on his face.)
Example: "那条水沟泛着一阵阵恶臭。" (That drainage ditch exudes waves of foul odor.)
4. Verb: To cover.
Reference: See entry for "泛驾" (fàn jià).
5. Verb: To fail or to defeat.
Source: "汉书.卷二四.食货志上": “残贼公行,莫之或止;大命将泛,莫之振救。” (The rebels acted openly without restraint; a great command is about to fail, and there is no one to rescue it.)