often capitalized, often attributive
1
a : the 5th letter of the English alphabet
b : a graphic representation of this letter
c : a speech counterpart of orthographic e
2
: the third tone of a C-major scale
3
: a graphic device for reproducing the letter e
4
: one designated e especially as the fifth in order or class
5
a : a grade rating a student's work as poor and usually constituting a conditional pass
b : a grade rating a student's work as failing
c : one graded or rated with an E
6
: a transcendental number having a value to eight decimal places of 2.71828183 that is the base of natural logarithms
7
: something shaped like the letter E