Flutter
Part of speech: noun
Definition: The act of fluttering. A state of agitation. An abnormal rapid pulsation of the heart. A small bet or risky investment.
Part of speech: verb
Definition: To flap or wave quickly but irregularly. Of a winged animal: to flap the wings without flying; to fly with a light flapping of the wings. To cause something to flap.
Fleet
Part of speech: noun
Definition: A group of vessels or vehicles.A number of vessels in company, especially war vessels; also, the collective naval force of a country, etc.Any command of vessels exceeding a squadron in size, or a rear-admiral's command, composed of five sail-of-the-line, with any number of smaller vessels.A flood; a creek or inlet, a bay or estuary, a river subject to the tide.A location, as on a navigable river, where barges are secured.
Part of speech: adjective
Definition: Swift in motion; moving with velocity; light and quick in going from place to place; nimble; fast.Light; superficially thin; not penetrating deep, as soil.
Part of speech: verb
Definition: To float.To pass over rapidly; to skim the surface ofTo hasten over; to cause to pass away lightly, or in mirth and joyTo move up a rope, so as to haul to more advante; esp. to draw apart the blocks of a tackle.To shift the position of dead-eyes when the shrouds are become too long.To cause to slip down the barrel of a capstan or windlass, as a rope or chain.To take the cream from; to skim.
Example sentence: The notion of having a fleet of autonomous ocean-going vehicles wandering the world collecting data is something out of fiction.