e 1 or E 
(ē)
(ē)n. pl. e's or E's also es or Es
1. The fifth letter of the modern English alphabet.
2. Any of the speech sounds represented by the letter e.
3. The fifth in a series.
4. Something shaped like the letter E.
5. E A grade that indicates failing status.
6. Music
a. The third tone in the scale of C major or the fifth tone in the relative minor scale.
b. A key or scale in which E is the tonic.
c. A written or printed note representing this tone.
d. A string, key, or pipe tuned to the pitch of this tone.
7. e Mathematics The base of the natural system of logarithms, having a numerical value of approximately 2.71828.
8. E The hypothesized textual source of certain narrative portions of the Pentateuch in which God is referred to as Elohim rather than with the Tetragrammaton.
[Sense 8, from ELOHIM.]
advertising poster, Métropole of ParisMétropole used this poster in the 1890s to market the Acatène