chumming

== English == === Pronunciation === IPA(key): /ˈt͡ʃʌmɪŋ/ Rhymes: -ʌmɪŋ === Verb === chumming present participle and gerund of chum === Noun === chumming (uncountable) (military, aviation, historical) The use of a lit aeroplane to draw enemy fire so that the enemy can be destroyed by another aeroplane whose lights are off.