flutter

1. (countable, uncountable)The act of fluttering, or multiple acts thereof; the back-and-forth motion of fluttering; a state of fluttering.

   Fish move using a flutter of their body to propel themselves through the water. Some also derive propulsion or maneuverability from their fins' flutter.

   Some turtles use their claw flutter as a means of communication, particularly in mating.

   the act of moving back and forth

2. The act of fluttering, or multiple acts thereof; the back-and-forth motion of fluttering; a state of fluttering.

   (broadly, countable, uncountable)The collective flutter of many similar objects.

   leaf flutter; feather flutter

   The flutter of the flock buffeted me.

3. (broadly, countable, uncountable)A flapping, crackling or rustling sound, as from a fluttering motion or any comparable sound; any series of quick repetitive sounds.

   I eventually found the source of the flutter, which came from clothes on a clothesline swaying with the wind.

   I find the flutter of a campfire to be soothing like a lullaby.

   the motion made by flapping up and down

4. A flapping, crackling or rustling sound, as from a fluttering motion or any comparable sound; any series of quick repetitive sounds.

   (broadly, countable, figuratively, uncountable)A sound that spreads in the manner of a wave or ripple.

   A flutter of gasps spread over the crowd.

5. The act of fluttering, or multiple acts thereof; the back-and-forth motion of fluttering; a state of fluttering.

   (countable, uncountable)The rapid up-and-down movement of the eyelids, and consequently eyelashes, often seen as intentionally flirtatious or alluring and often attributed to the eyes or eyebrows.

   He couldn't help but feel more attracted to her with each flutter of her eyes/lashes/eyelids.

   Her eyes did a flutter.

6. (countable, uncountable)The movement a hand fan with a back-and-forth action using flicks of the wrist, so as to produce a graceful wave-like effect.

   The flutter of the geisha's fan was elegant.

7. (countable, uncountable)The leg motion of various strokes in swimming, especially the flutter kick.

   The flutter of your legs will propel you through the water, when you execute a proper flutter kick.

8. (countable, uncountable)The motion or state of falling while fluttering or falling as to produce fluttering.

   Winged helicopter seeds fall with rapid flutters to the ground.

   The Christmas tree fell in a flutter of ornaments and pine needles.

9. (countable, uncountable)A quick and irregular motion or vibration, or multiple such motions.

   The irregular back-and-forth flutter of this fishing lure imitates the movement of an injured or sick fish.

   Palatal flutter is a cause of sleep apnea and snoring.

10. A quick and irregular motion or vibration, or multiple such motions.

    (countable, uncountable)The trembling movement of an iris caused by a lack of support from the lens or as a complication of cataract surgery.

    It's important to note any flutter in the iris.

11. (countable, uncountable)The vibration, shaking or flapping of fabric, such as in a kite, parachute or sail; the condition of having such a flutter.

    kite flutter; parachute flutter; sail flutter

    Even a weak flutter can damage your sail.

12. (countable, uncountable)The vibration of a bird's throat by rapidly pumping air into it with the mouth open in order to reduce excess body heat; gular flutter.

    Witness the flutter of its neck, which helps to lower the bird's body temperature.

1. He makes young girls' hearts flutter.

   ruОн заставляет сердца молодых девушек трепетать.

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2. The sails fluttered in the wind.

   deDie Segel flatterten im Wind.

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3. The flag fluttered in the breeze.

   ruФлаг развевался на ветру.

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4. The birds were fluttering their wings.

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5. Butterflies were fluttering in my stomach.

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