Definition of arm-waving in English:

arm-waving

noun

  • 1The action of waving or gesturing with the arms; an instance of this.

  • 2The use of insubstantial, unsupported, or sensational arguments or claims, especially in scientific discourse; an instance of this.

adjective

  • 1That waves or gestures with the arms; characterized by such gestures.

  • 2Using or involving insubstantial, unsupported, or sensational arguments or claims, especially in scientific discourse.

Origin

Mid 19th century. From arm + waving<br>late 19th century. From arm + waving.

Pronunciation

arm-waving

/ˈɑːmˌweɪvɪŋ/