Definitions from Wiktionary ( )

▸ verb:  (intransitive) To move back and forth repeatedly and somewhat loosely.
▸ verb:  (intransitive) To move one’s hand back and forth (generally above the shoulders) in greeting or departure.
▸ verb:  (transitive, metonymically) To call attention to, or give a direction or command to, by a waving motion, as of the hand; to signify by waving; to beckon; to signal; to indicate.
▸ verb:  (intransitive) To have an undulating or wavy form.
▸ verb:  (transitive) To raise into inequalities of surface; to give an undulating form or surface to.
▸ verb:  (transitive) To produce waves to the hair.
▸ verb:  (intransitive, baseball) To swing and miss at a pitch.
▸ verb:  (transitive) To cause to move back and forth repeatedly.
▸ verb:  (transitive, metonymically) To signal (someone or something) with a waving movement.
▸ verb:  (intransitive, obsolete) To fluctuate; to waver; to be in an unsettled state.
▸ verb:  (intransitive, ergative) To move like a wave, or by floating; to waft.
▸ noun:  A moving disturbance in the level of a body of liquid; an undulation.
▸ noun:  (poetic) The ocean.
▸ noun:  (physics) A moving disturbance in the energy level of a field.
▸ noun:  A shape that alternatingly curves in opposite directions.
▸ noun:  Any of a number of species of moths in the geometrid subfamily Sterrhinae, which have wavy markings on the wings.
▸ noun:  A loose back-and-forth movement, as of the hands.
▸ noun:  (figurative) A sudden, but temporary, uptick in something.
▸ noun:  (figurative) A movement or trend in popular culture.
▸ noun:  (video games, by extension) One of the successive swarms of enemies sent to attack the player in certain games.
▸ noun:  (usually "the wave") A group activity in a crowd imitating a wave going through water, where people in successive parts of the crowd stand and stretch upward, then sit.
▸ verb:  To generate a wave.
▸ noun:  (US, historical) A members of the WAVES; a member of the US Naval Reserve (Women's Reserve).
▸ verb:  Obsolete spelling of waive. [(transitive, law) To relinquish (a right etc.); to give up claim to; to forgo.]

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