fluttering

(noun) the motion made by flapping up and down. Synonyms: flap, flapping, flutter.

(verb) move along rapidly and lightly; skim or dart. Synonyms: flit, flutter, fleet, dart. Examples: "The hummingbird flitted among the branches."

(verb) move back and forth very rapidly. Synonyms: flicker, waver, flitter, flutter, quiver. Examples: "The candle flickered."

(verb) flap the wings rapidly or fly with flapping movements. Synonyms: flutter. Examples: "The seagulls fluttered overhead."

(verb) beat rapidly. Synonyms: palpitate, flutter. Examples: "His heart palpitated."

(verb) wink briefly. Synonyms: bat, flutter. Examples: "Bat one's eyelids."