/ɪə / (say ear)

1. the organ of hearing, in humans and other mammals usually consisting of three parts (external ear, middle ear, and inner ear).
2. the external part alone.
3. the sense of hearing.
4. keen perception of the differences of sound, especially sensitiveness to the quality and correctness of musical sounds: an ear for music.
5. attention; heed, especially favourable attention: gain a person's ear.
6. any object resembling or suggestive of the external ear, as the handle of a pitcher or the part of a bell by which it is hung.
7. Journalism either of the small spaces or boxes in the upper corners of the front page of a newspaper, containing displayed matter, as an indication of the edition, an advertisement, etc.
8. be all ears, to listen attentively.
9. bend someone's ear, Colloquial to harangue someone.
10. by ear, without dependence upon or reference to written music.
11. … ears are burning, (an expression used to indicate that the person specified has been the subject of conversation.)
12. fall on deaf ears, to pass unheeded.
13. go in one ear and out the other, to be heard but ignored; make no impression.
14. have a good ear, to have a well-developed ability to hear, interpret, and, on occasion, to mimic or reproduce, aural information, as music, spoken language, etc.
15. have an ear for, to have a good ability to hear and interpret: to have an ear for music.
16. have an ear to the ground, to be well informed about gossip or trends. {Phrase Origin: ? from the way Native Americans tracked animals}
17. on one's ear, Colloquial without difficulty: I did it on my ear.
18. out on one's (pink) ear, Colloquial dismissed summarily.
19. set by the ears, to cause to disagree or quarrel.
20. turn a deaf ear, to refuse to help or consider helping.
21. up to one's ears, deeply involved; extremely busy.
22. wet behind the ears, naive; immature or inexperienced. {Phrase Origin: from the fact that many animals, when newly born, have a small depression behind the ears which takes a long time to dry out}
23. with one's ears flapping, Colloquial extremely attentively so as to hear something interesting.
{Middle English ere, Old English ēare}
earless, adjective
earlike, adjective
/ɪə / (say ear)

1. that part of a cereal plant, as wheat or barley, which contains the flowers and hence the fruit, grains, or kernels.
verb (i)
2. to form or put forth ears.
{Middle English ere, Old English ēar ear of corn}

Australian English dictionary. 2014.