(audio, headphones) Pressing onto the ears, and sealing the outer ear (as opposed to being placed in the ear, or hanging onto the ear, or surrounding the ear).

Alternative form of intra-aural

Within the ear.

plural of auditory canal

(anatomy) ear canal

a company that runs auctions. / a building in which auctions are conducted.

An auger whose channel is straight instead of twisted.

(military, aviation, euphemistic) To crash catastrophically into the ground.

plural of auction house

(historical) The old alliance between Scotland and France against England.