1. y - Noun
2. y - Adverb
3. y - Pronoun
4. y - Conjunction
5. y - Interjection
6. Y - Proper noun
7. y - Symbol
I.
Something shaped like the letter Y; a forked piece resembling in form the letter Y.
One of the forked holders for supporting the telescope of a leveling instrument, or the axis of a theodolite; a wye.
A forked or bifurcated pipe fitting.
A portion of track consisting of two diverging tracks connected by a cross track.
Source: Webster's dictionary