Wiktionary
ear bud
alt. 1 An immature ear of maize from which the threadlike silks emerge. 2 An underdeveloped mammalian ear. 3 A small earphone designed for use with portable sound systems. n. 1 An immature ear of maize from which the threadlike silks emerge. 2 An underdeveloped mammalian ear. 3 A small earphone designed for use with portable sound systems.
Usage examples of "ear bud".
There was an ear bud, a throat mike that wasn't much more than a patch and a small device that looked like a PDA in a belt rig.