'Flutter' definitions:

Definition of 'flutter'

(from WordNet)
noun
The act of moving back and forth [syn: waver, flutter, flicker]
noun
Abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
noun
A disorderly outburst or tumult; "they were amazed by the furious disturbance they had caused" [syn: disturbance, disruption, commotion, flutter, hurly burly, to-do, hoo-ha, hoo-hah, kerfuffle]
noun
The motion made by flapping up and down [syn: flap, flapping, flutter, fluttering]
verb
Move along rapidly and lightly; skim or dart; "The hummingbird flitted among the branches" [syn: flit, flutter, fleet, dart]
verb
Move back and forth very rapidly; "the candle flickered" [syn: flicker, waver, flitter, flutter, quiver]
verb
Flap the wings rapidly or fly with flapping movements; "The seagulls fluttered overhead"
verb
Beat rapidly; "His heart palpitated" [syn: palpitate, flutter]
verb
Wink briefly; "bat one's eyelids" [syn: bat, flutter]

Definition of 'Flutter'

From: GCIDE
  • Flutter \Flut"ter\, n.
  • 1. The act of fluttering; quick and irregular motion; vibration; as, the flutter of a fan. [1913 Webster]
  • The chirp and flutter of some single bird --Milnes. . [1913 Webster]
  • 2. Hurry; tumult; agitation of the mind; confusion; disorder. --Pope. [1913 Webster]
  • Flutter wheel, a water wheel placed below a fall or in a chute where rapidly moving water strikes the tips of the floats; -- so called from the spattering, and the fluttering noise it makes. [1913 Webster]

Definition of 'Flutter'

From: GCIDE
  • Flutter \Flut"ter\, v. t.
  • 1. To vibrate or move quickly; as, a bird flutters its wings. [1913 Webster]
  • 2. To drive in disorder; to throw into confusion. [1913 Webster]
  • Like an eagle in a dovecote, I Fluttered your Volscians in Corioli. --Shak. [1913 Webster]

Synonyms of 'flutter'

From: Moby Thesaurus