Definitions:
the part of a telephone apparatus contained in the earpiece, in which electrical signals are converted into sounds.

a person who gets or accepts something that has been sent or given to them

a person or company appointed by a court to manage the financial affairs of a business or person that has gone bankrupt

a container for collecting the products of distillation, chromatography, or other process.

the part of a firearm which houses the action and to which the barrel and other parts are attached.