Pronunciation: ( jon'ē),[key] —n., —pl.-niesfor 1–3. 1. (sometimes l.c.) a familiar term of address for a man or boy.
2. (sometimes l.c.)Slang.a short, collarless gown that is fastened in back and is worn by hospital patients, persons being examined in a doctor's office, etc.
3. (l.c.) Slang.toilet; bathroom.
4. a male given name, form of John.Also,John'nie.