noun The organ of hearing, consisting of the pinna or auricle, auditory canal, eardrum, malleus, incus, stapes and cochlea.
noun The external part of the organ of hearing, the auricle.
noun A police informant.
noun The sense of hearing; the perception of sounds; skill or good taste in listening to music.
a good ear for music
noun The privilege of being kindly heard; favour; attention.
noun That which resembles in shape or position the ear of an animal; a prominence or projection on an object, usually for support or attachment; a lug; a handle; a foot-rest or step of a spade or a similar digging tool.
the ears of a tub, skillet, or dish; The ears of a boat are outside kneepieces near the bow.