Definition of "woofer" []

• A loudspeaker designed to reproduce bass frequencies. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The sub-woofer is an inverted glass dome, and a fresnel lens from a rail-car."
• ""In Mundania, a speaker system-that is, something that makes sounds-has a big cone called a woofer, and a small cone called a tweeter, and a middle cone called a midrange."
• "A woofer is the electro dynamic driver which uses a cone, surrounded by a magnetic field, and a voice coil to drive."