耳

to take by surprise; to startle; to shock

ear piercing; earring

sharp eyes and ears used for collecting information far and wide; having the acumen and shrewd discernment gained by widely-collected information; being well-versed on a subject; books which broaden our knowledge

From the Disney movie Dumbo, usu. 〜になる, etc.

pricking up one's ears and listening; listening attentively

cochlea implant

ear, nose, and throat

deafness; the deaf

Idiomatic expression

preaching to the deaf; wind (blowing) into a horse's ear

Medicine

mumps; parotitis

Anatomy

vestibulocochlear nerve; auditory nerve

Proverb

good advice is harsh to the ear

cloud ear fungus (Auricularia polytricha); wood ear fungus; black fungus

(to pay off) in full

shallow learning

ear, nose and throat specialist

to have an ear for music

good advice is harsh to the ears; honest advice is often unpleasant to the ears

selvedge (non-fray machined edge of fabrics); selvage

short-eared owl (Asio flammeus)

to take the lead in; to control; to be the leader

red wattlebird (Anthochaera carunculata)

yellow wattlebird (Anthochaera paradoxa)

Anatomy

auricular lymph node

Chinese shrew mole (Uropsilus soricipes)